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Incubator 20



Hammock Gear Under Quilts

Goose down under quilts have proven to be, without question, the preferred choice for insulating the underside of the hammock. Due to super light weight, compressibility and versatility, they outshine the alternatives by a landslide. Their thermal efficiency has allowed brave campers to push the boundaries of cold weather hammocking. Virtually every hammock camper has experienced - through his or her learning curve, the dreaded CBS, or "Cold Butt Syndrome". And virtually every owner of an under quilt has effectively learned how to avoid it. Once you have experienced a down under quilt, you will "never go back".

Hammock Gear provides a full-length under quilt - the Incubator, and a 3/4-length under quilt - the Phoenix. They are known by many to be the most effective on the market today. One of the primary reasons is this: the Incubator and Phoenix are the only commercial under quilts designed with a contour which mimics the shape a person makes when they are laying in a hammock. One of the added benefits of this construction technique is that it leaves a "flap" of fabric along the top and bottom of every down filled chamber. This extra fabric acts as a "floating baffle" which stabilizes the down and helps prevent its shifting. Another reason our UQ's are popular is this: they contain the ideal amount of down Stability - the down stays put when it should, but the design allows for enough manual shifting of down when necessary.


All quilts are made to order.  Please inquire with sales@hammockgear.com for current lead times.


About the Incubator 20˚

The ULTIMATE underquilt for guaranteed comfort... The Standard length Incubator 20° is long enough to generously cover most hammock campers up to about 6’ 2”.  With 850 fill power, water resistant goose down, this underquilt will protect you in temperatures down to 20°. If you are looking for an underquilt that is hassle free and will allow you to enjoy your hammock for more months of the year, you have found it.

The Incubator comes with 9 anatomically contoured, differential cut baffles that run the length of the quilt. One of the things this construction technique does is to greatly reduce the shifting of goose down that is sometimes more noticeable in quilts made with premium goose down.  This is one of the reasons Hammock Gear quilts are always 15-20% overstuffed. The differential cut, contoured baffles also provide the highest level of fit which is critical to keeping warm.  
The Incubator comes complete with our state of the art shock-cord suspension system and a stuff sack.


Under Quilt Advantages

Chances are you are already aware of the advantages of goose down under quilts. To summarize: 

  • thermal efficiency
  • weight savings
  • volume savings
  • ease of use & adjustment (especially compared to a pad)
Incubator 20˚ShortStandardLong
Fill Weight11 oz12 oz13 oz
Total Weight20.25 oz22.0 oz23.39 oz


We utilize the finest 850 fill power, water-resistant goose down on the market in all of our quilts. It is tested and certified by the International Down and Feather Testing Laboratory.



All Hammock Gear quilts are made of ARGON fabric. All ARGON fabric is specifically designed ripstop nylon which is manufactured for Hammock Gear. We offer both 10 and 15 denier weights with certain colors only available in one or the other. ARGON 67 (10d) weighs 0.67oz/square yard while ARGON 90 (15d) weighs 0.90 oz/square yard. It has a Durable Water Resistant (DWR) finish. The DWR not only improves the water resistance of ARGON , it also enhances the fabric by improving overall strength, tightening the weave and thus increasing its down-proofness. Calendaring of the fabric further enhances the down-proofness of the quilt.

  • Black - Argon 67 (10 denier)
  • Black - Argon 90 (15 denier +0.9 oz)
  • Charcoal Gray - Argon 90 (15 denier +0.9 oz)
  • Titanium Gray - Argon 67 (10 denier)
  • Burnt Orange - Argon 90 (15 denier +0.9 oz)
  • Bright Yellow - Argon 90 (15 denier +0.9 oz)
  • Purple - Argon 90 (15 denier +0.9 oz)
  • Cobalt Blue - Argon 90 (15 denier +0.9 oz)
  • Brick Red - Argon 90 (15 denier +0.9 oz)
  • Hunter Green - Argon 67 (10 denier)
  • Dark Olive Green - Argon 90 (15 denier +0.9 oz)
  • Cinnamon Brown - Argon 67 (10 denier)
  • Coyote Brown - - Argon 90 (15 denier +0.9 oz)
  • Woodland Camo - Argon 90 (15 denier +0.9 oz)


All of our under quilts make use of baffle (also known as "box baffle") construction. This means that the seams between the down-filled chambers are not sewn through, but instead consist of a fabric wall about .75 to 3 inches tall, depending on the model.


Temperature Ratings

At Hammock Gear, we use temperature ratings which are very conservative. Compare them in the marketplace and you will agree. Here is a point we wish to emphasize: the first and most important step you must take when choosing an under quilt by temperature is to Know Thyself. Are you a Cold sleeper, a Warm sleeper, or maybe a Really Warm sleeper? Factor this into your selection process and you will be much better off. With under quilts, the more you experiment, the more you will dial this in.

There are 201 review(s) for Incubator 20

Showing reviews 1-100 of 201 | Next »

  • solved my underquilt problems

    by Brian Goode – 23rd May 2016

    I had 2 main problems with my previous 3/4 length underquilt.

    Cold feet from kicking away the foot pad at night and couldn't get the hang I wanted. It was either too tight and caused the underquilt to slide too far up increasing the cold feet problem or too loose causing cold butt syndrome.

    The incubator instantly hung perfect with zero effort to correct cold spots or too far up or down.

    I liked it so well I ordered a Zero degree as a second use one for my daughter and a 2 month cold season use for myself.

  • Say goodbye to cold nights

    by Patrick – 14th May 2016

    I've been hammock camping for about four years now and just recently purchased this UQ. If I had to do it all over again, I would have bought this at the same time as the hammock. It's easily adjustable and simply works. The workmanship and attention to detail is great and I expect this quilt to last for years to come.

  • perfect in every way

    by Unknown – 13th May 2016

    At first it kept slipping off and to the side. I kept waking up with a cold butt. And having to rearrange it. I finally got out to take a look and I didn't hook it at one end right so it was applying tension to one side, which is why it was slipping off and to my side. I fixed and got back in and was warm all night after that. It made a huge difference. Very well made and looks great.

  • Very Warm!

    by Kyle N. – 10th May 2016

    Wow, this 20 degree underquilt is well worth the money! Super warm, easy to set up, and much more comfortable than using a pad in the hammock! My next purchase is going to be the Burrow top quilt to complete the set!

  • Amazing quality and function!

    by Adam Boyd – 10th May 2016

    I have nothing but good things to say about this under quilt so far. The attention to quality and detail is outstanding! I can tell a lot of research, testing, design, and user feedback went into the development of this product so far. The warmth on a 40deg night was great! The standard length fits my WBBB xlc perfect. I don't have to use any pads with this under quilt, it covers all 6'1" 250 lbs of me.

    Also, I informed them i had a trip coming up and they went above and beyond to ensure I got my underquilt fast! It's a no-brainer in the future, all my quilts will come from HG. I was not given a discount, I paid full price with my own money for this item. I just like it enough to leave a well deserved rating!

  • fantastic Under Quit!!

    by Bob (OhMrBob) – 9th May 2016

    I got my new underquilt 2 weeks ago. I played with it at the house for a few days and I was fascinated by the build quality and the softness of the material. The under quit is incredibly well thought out, deigned and made.
    I used it this past weekend on my Warbonnet Black Bird XLC... it was perfect. It fit like a glove after a couple of adjustments and it kept me warm with out being too hot.
    I am incredibly happy with my purchase.

  • The very best item you can get for your $

    by Carsten – 2nd May 2016

    If you like the idea of elevated camping, you want a hammock. For me, there is no better sleep than the sleep I can find in a hammock. I sleep like a stone in it. But what about cold weather? Well, don't bother trying to keep an insulation pad under you. Forget it. It's so annoying and not even a wide pad is wide enough in the hammock! You need an underquilt. I owned the ENO underquilt and for two seasons I was under the impression that there was nothing better than that. However, once my wife came along on a hiking trip to the Lost Coast Trail in California, we needed another one. I ordered the Incubator 20 with 2 ounces overfill, and it's just fantastic! This thing is so much warmer that I had to trade it with my wife on our first trip. It's way more lightweight (better down quality) and a-symetrically shaped. The craftsmanship is also superb. I actually wonder how it's possible to price this item so reasonably! Try to get a Western Mountaineering sleeping bag for a price like this. Maybe you can find one dirty old bag on e-bay with a burned hole in it. Really, trust all the reviews it's a top product. It will make you sleep tight!

    One little suggestion I do have though: You always have to look for the "HG" logo to find the top end of your hammock ( it's a-symetrially shaped). The a-symetrical shape is unobtrusive, not easy to see which end is for the head and which end is for the foot. Since you don't want to sleep with your head in the foot compartment, I would suggest a more easy visual clue to find the top end of the hammock. Maybe a color strip at the very end of the quilt would make the orientation more obvious.

    Thanks for this great product!

  • Superior Quality Product

    by Kraig Balon – 30th Apr 2016

    Quality of material is exceptional. Installs in seconds, adjusts very easily, warmth is also exceptional. Cannot recommend enough!!!!!

  • love it!

    by wade l. – 28th Apr 2016

    I have the multicam version and it is soooo warm! Very high quality! Thanks for the great quilt HG!

  • Toasty Warm

    by Preppersteve – 28th Apr 2016

    The Incubator 20 performed flawlessly on the first night in the Sierra Nevada Mountains. Windy conditions with temps in the low 40's. It was simple to hang and kept all the warmth right where it was needed. You will not be disappointed with any purchase from Hammock Gear, top quality stuff.

  • My insulation for twelve hundred miles

    by Jeffrey Wong – 28th Apr 2016

    After the first 800 miles ground camping the PCT in 2015, I sent the air mattress home. The Incubator 20 with no overstuff kept me snug as a bug in a rug in northern California Oregon and Washington. I looked forward to making camp every night because of this wonderful under quilt. Thanks, hammockgear!

  • The UQ Hype is Real

    by SloppyPoppyy – 25th Apr 2016

    I just got back from hiking the Snowbank Loop in the BWCAW with a few friends over the weekend. We had temperatures below 28 F. Only two out of five were able to stay warm--myself and another friend who has also purchased an underquilt.

    I had read all of the reviews and was starting to think the UQ sounded too good to be true, but my Incubator was worth every penny. On our second and coldest night out, I gave my Therm-a-Rest Z-Seat Pad to one friend, and my clothes to another friend so that they could make it through the night. I was left with nothing but boxers and my Big Agnes (left the pad insert at home), but still slept like a baby.

    This was, hands down, my best camping purchase. I will never hang without this underquilt again. The craftsmanship is impeccable and it WORKS. Additionally, I had a tight deadline for receiving my UQ before this trip. The great folks at HG made that happen for me. I could not be happier.

  • Exemplary Product

    by Al – 23rd Apr 2016

    Outstanding outstanding outstanding. Been using it every weekend since I received it. Down to 26 degrees so far and not a problem. Like that they color coded the S biner so its easier to find the different ends.Thanks for the improvement.

  • Top Notch!!

    by Tim M – 22nd Apr 2016

    All the reviews on this UQ are spot on. I got this with 2oz overstuff and am very pleased. The customer support was great. I had a few questions before ordering and they did a great job in steering me in the right direction.

  • the best

    by Unknown – 22nd Apr 2016

    The Incubator 20, simply put, makes hammock camping into a whole new experience. If you're using a pad in your hammock, stop what you're doing and order this underquilt. You'll never be sorry.

    Service is excellent and if you need the gear for an upcoming trip, put the dates in your order and HG will do their best to get it to you on time.

    Compare weight/performance/cost with Eno. HG is a better value and from what I've seen, superior quality.

  • Another great product

    by Al – 21st Apr 2016

    This is my second set of quilts. Outstanding quality. Like the colored S biners to indicate head and foot end. I hang almost every weekend and have never been let down by this product.

  • Love it but.

    by Unknown – 20th Apr 2016

    Love it it keeps me warm but when I order my next one I need to make it wider. Im a side sleeper that curls up so it's just to shortbij the width for me, but would still recomend it to anyone

  • Quality Product

    by Unknown – 15th Apr 2016

    Got down to the low 20s my first night in it and was just as warm as friends in their tents with tent warmers.

  • Incubating in New Zealand

    by Buck – 12th Apr 2016

    Spent my first night out in the hammock with the incubator 20 with 2oz over stuff. After some initial adjustments due to a few cold patches. I got it dialed in and it was perfect. It got down to about -1 degree C (30 degree F) was warm and comfy all night!

  • no cold spots

    by Diann Stine – 8th Apr 2016

    Will update next week

  • Exceptional as expected

    by Keith – 29th Mar 2016

    Purchased this UC after several reading reviews and doing some research. Ordering was a breeze came, lot sooner than expected. Finish and quality of workmanship great. Took it right out for a last-vestiges-of-winter hang on the AT. Set up was a real easy, fit my Hammock Bliss like they were made for each other. Temps got into the lo-mid 20’s with a steady breeze; very warm and comfy. Only reason for not giving 5 stars; can’t say how it holds up over the long haul. But aces so far..

  • Everything it says it does

    by Joe M – 24th Mar 2016

    Just returned from a soaker in a rain forest on the Oregon coast. Rained the whole time tempo in the low 40s. I usually use a sleeping pad and sleeping bag in my hammock. Never again. I had my best hammock sleep ever. I used a synthetic top quilt which wasn't as warm as it claimed. Thank goodness for the underquilt. I will be purchasing a burrow soon. I imagine I'll never be cold sleeping again.

  • AWESOME!!!

    by Stan H – 23rd Mar 2016

    I got two of these Incubator 20's for my wife and I. We took them out this last weekend and it got down to 15 degrees! I was only in my boxers and my wife in some sweats and we we so warm!! Not even one cold spot!! The quilts are amazing and the customer service is top notch!! I've already ordered a third set and will be ordering four more sets by years end for my family! Thank you Hammock Gear!!

  • amazing product

    by Corey (Mr. Three) – 15th Mar 2016

    I love this under quilt, it is simply amazing! I've been out in it two nights now and have stayed plenty warm. We have had a really mild winter this year so I don't know how far I will be able to take it down, however as soon as I got into it I could feel my backside get nice and toasty :) ! I love it so much that I instantly got the burrow 20 to replace my synthetic 20 degree mummy bag. Thank you so much Adam and Jenny for a awesome, warm and comfortable night sleep.

  • Great Quilt

    by Quitman – 7th Mar 2016

    Beautiful product. Quality made product. Feels great and very warm. You can't go wrong with this quilt. Temp rating seems very accurate. Shipping was less than 3 weeks from order to my door. I will buy my next quilt from Adam & Jenny!

  • quality

    by Unknown – 5th Mar 2016

    Good price for quality. Really warm

  • Fantastic Product!!!

    by Justin – 4th Mar 2016

    After much research, I decided to buy the Hammock Gear Incubator 20 over the ENO Blaze. Price was much better but my concern was the long lead time due to a camping trip in 2 weeks. After a phone call to HG, they promised it would arrive in time and it did, actually a few days early! Spent 3 nights in the Linville Gorge in NC. Setup was super easy, quality was exceptional, and best of all, I stayed very warm all night. Temps were in the low 30's with a strong wind. This quilt is SO much nicer than a sleeping pad in my hammock on cold nights. Highly recommend this product and this company! Thank you so much!

  • Quality Product

    by Scott – 3rd Mar 2016

    Used it twice now in low 30° F temperatures. Very warm all night. I am 5' 11" and I ordered a regular length. I am very happy with the underquilt but wish that I would have ordered a long. I like the idea of having a little extra coverage without having to adjust it perfectly. Works great on my ENO singlenest.

  • Had a coustom one built wider for my wife and I to fit in.

    by John – 1st Mar 2016

    It performs exceptionally well kept me extremely warm without over heating in temps of 30 this far. I expect it go lower then 20 with how well I stayed warm in a short amount of time with the high winds also beating on me. Can't wait to eventualy delve into the other good they make!

  • Great quilt

    by Ronald Ellis – 29th Feb 2016

    Quilt was easy to install on my Hennessy Explorer Deluxe right out of the box. The most easiest piece of gear to use of all my gear. well built. Excellent quality. Ordering and shipping was spot on. Great customer service. highly recommended.

  • incubator 20 underquilt

    by Unknown – 15th Feb 2016

    Great product. Put mine in the dryer for 20 min on air only with tennis balls in white socks to fluff it up. Works perfectly have spent a few night in it the name incubator says it all. I add 1 ounce of down. Set up was super easy just watched a hammock video had it dialed in 5 min

  • Used it twice--loving it!

    by GOOSE – 9th Feb 2016

    Excellent quality. WARM!

    I've been using a Jacks R Better UQ for a few years, and the HG Incubator 20 is a MUCH superior product!

  • CBS is a thing of the past.

    by Mix – 8th Feb 2016

    This uq is awesome. It has kept me warm down to 18°, and it's only rated to20°.
    Got this one for my son, as I have used mine nightly in colder months for the last 2 winters since i gave up tents, and beds in August 2014.
    I look forward to it every night I use it.
    Quality is superb.

  • awesome product

    by troy gilliam – 28th Jan 2016

    I ordered the incubator 20 degree with 3 ounce overstuff. When I received this bottom quilt I was amazed on how well it was made. Wow! I will be ordering a top quilt soon. Very light weight and compact. Small package but with a big difference in weight and comfort . This company is an awesome company with great work ethics and heart for their customers. I highly recommend Hammock Gear and their families .

  • A Generous 20* Raiting

    by Big Fish – 27th Jan 2016

    I did my research and decided that HG has the best UQ's. I was not disappointed. In the south east we have cold wet winters. At a recent trip, we got down to 16* and a zero windchill with 35 mph. Paired with a Superfly tarp and a Feathered Feiends Raven UL10... I was toasty warm. I'm a rookie so I didn't understand how to keep the shock cords a little loose or how to use the Dutch ridge line clips, but now I know. Regardless, the UQ performed great!!! The ground dwellers in my group froze with their Fly Creek tents and Helium bags. I slept like a baby. Thanks guys!!!

  • Top notch all the way around!

    by Unknown – 5th Jan 2016

    I'm the proud owner of TWO incubator 20s. (One for me, one for my wife). For anyone who has discovered the joys of sleeping in hammocks, you will NOT be disappointed with the incubator under quilt. The craftsmanship is top notch. The performance to weight ratio is amazing. I've taken this out in well below 20 degree conditions and have slept toasty! The customer service is superb. Highly recommended.

  • amazing customer service and product!

    by Kristi – 5th Jan 2016

    My college aged son camps 3 seasons here in the PNW in his Hennesey Asym and he is one that NEVER asks for anything for Christmas. On Dec 15 he mentioned an UQ might be something he would like so I educated myself on them and narrowed it down, but then realized as I went to order December 16 they are all custom made nowhere near the PNW and this might be a problem for Christmas ordering!! These folks were sooooo helpful!! On December 23 I received a beautifully made, heavenly lofty feeling UQ custom made in my son's school colors - he was ecstatic! I can't recommend this company/product enough!!!! My son said it is a perfect match for his hammock and looks forward to much more warmth come chilly early Spring 2016 camping season! Thank you HG from a mom who rarely gets to make a home run like this !

  • Crazy well put together

    by Mystic – 18th Dec 2015

    I used to make my own clothes and make some of my own gear now. I know enough about fabrics and sewing to know when something is made well.

    The workmanship and attention to detail on the Incubator is unreal. The seam-work and joining is absolutely perfect. The design, likewise, is incredible. It's like tiny robot aliens put this thing together.

    I chose the Black/Black Argon 90 material. it's plenty lightweight, so don't get scared off jst because they offer the 67 as well. The stuff sack it came with was a little large, but I can easily just compress it more if I have to.

  • Hammock Gear does it again. Another quality quilt!

    by Tony F. – 16th Dec 2015

    This is my third Hammock Gear quilt and the craftsmanship and quality show in every inch of the quilt.

  • My first UQ and my first hammock experience

    by Satur Martínez – 16th Dec 2015

    Incredible, everything I've read does not describe the quality and performance. My underquilt Incubator 20, at low temperatures responds very well. Furthermore, HG has fully complied with the deadline that I needed. Thank you very much. Satur from Spain.

  • Simply put....Epic purchase

    by Jason D. – 4th Dec 2015

    This is my 3rd quilt purchase from HG and by far my favorite. I don't need to tell you all the awesome benefits of this item, because you can read the other 160+ reviews for that. I'd like to explain how simple, efficient, and pleasant the product is. I do a lot of fall and winter camping. It's my favorite time to hit the trails! So what did i use for warmth? A $40.00 closed cell foam pad in my hammock. Yes you can save a lot of money and go this route, but i promise you, there is NO COMPARISON to this underquilt. The comfort level while sleeping with a pad is around a 3-4 out of 10. Your arms get cold, your feet get cold, if and when you slip off the pad in the middle of the night you get cold. It just doesn't really work like you hope. That is not the case at all with this product. Imagine 11 hours of uninterrupted, peaceful, warm sleep on a chilly 28 degree night. That's exactly what i get when i use this product. Do yourself a favor and TREAT YO SELF!!! Buy one of these and then once you fall in love with it, promote the crap out of this company. I can't say enough good things about them or their products!!!

  • Backpacking will never be the same!

    by Adrian Penner – 1st Dec 2015

    Just purchased the Incubator 20 to go along with my Burrow 20 for a three day, two night backpacking trip. Temperatures dropped to low 20s and winds reached speeds of 40 miles per hour (gusts). I have never slept in these types of conditions and been so warm. I will admit the underquilt needs the protection of a tarp (which I had, but I need a bigger one) from the wind, but I was plenty warm in the low 20s. These top and bottom quilts along with a hammock have changed my way of thinking when it comes to backpacking. I may never sleep in a tent again!

  • Like a Charm!

    by Luis Garcia – 29th Nov 2015

    I used it on a night that hit 28 degrees and it was amazing. It was my first time to use it and I'm sold that this under quilt will always be there for me to keep warm.

  • As usual, exceeded exceptions

    by Steve Skinner (Mule) – 17th Nov 2015

    I was amazed at how much 2 ounces of overfill filled the quilt up. I love it.

  • Service and products beyond compare!

    by smklogic – 16th Nov 2015

    Like the other reviews state, their products and services are top notch. I ordered the first quilt thinking it might be a little short but they are true to their claimed sizes and I overestimated what I needed in length. I contacted them immediately and requested an exchange for a slightly shorter quilt to save a few grams and also added few custom modifications. Harry contacted me directly and confirmed the custom order and said there would be no charge for the inconvenience. Wow! He also remembered I needed this before a planned hike. They quilt came the morning of the hike, would’ve been the day before but USPS messed up in routing the package. I tested it on the AT that weekend when the temps dropped to 30 degrees. I also ordered their Burrow 40 top quilt. I had to take off an outer top layer I was too hot! Just a wool t-shirt, and super light wt fleece and long pants, no base layer and had to loosely cover myself with the quilt or I would start overheating. The under quilt easily adjusts to have a snug fit up under your shoulders and legs to keep out the draft. That’s key. Great job guys! Thanks much!

  • Easy to use and works great!

    by Thomas P. – 14th Nov 2015

    I purchased the incubator 20 in the long version because I'm 6,4. I have used it now twice and love how light it is and how easy it attaches to the hammock. The temps were in the low 40's one night and low 30's another night. I was comfortable and warm each time. I weighs a little more then a pound and packs down small. I highly recommend this product!

  • You wonte regret it

    by Ken Reeves – 14th Nov 2015

    Excellent workmanship! Delivered product to me in half the time promised. Just had it on an outing with upper 20's first night and -4 second night. First night was warm as toast, second night a little cool. I added 2oz of fill to standard spec which I recommend. GREAT PRODUCT!.

  • Superior quality and personal service

    by Todd – 14th Nov 2015

    Purchased the Incubator 20 with 2 extra ounces of fill. Had a trip coming up fast and needed it earlier than the planned date. Harry was very accommodating and was able to expedite the order to meet my date. Personal pickup allowed me to see the production and meet the dedicated employees who make these great quilts. I was able to test the quilt immediately with temps in the 30s and was perfectly comfortable. I can't wait to push the limits of this quilt as winter approaches.

  • Exceptional quality

    by Marshal Kline – 13th Nov 2015

    I'm not yet an experienced hammock'er, but as compared to my first underquilt purchase from another maker (which is also of very high quality), this quilt is even better in terms of quality and design. Based on a lot of shopping and research, you can find good quilts for a little less, but when you add in HG qualities and features, I don't know of anyone better.

  • Looks great

    by Tim – 12th Nov 2015

    I just got my incubator 20 with 2 ounce over stuff. Now I have to say that it looks great the craftsmanship is excellent. I was a little surprised to see that even with 2 ounces of overstuff and the regular 15-20% overstuff that HG says goes into each UQ it did not seem to be too stuffed. I hope that it can take me down into the -15C range as I am planning a winter trip this year. I well review more after my trip.

  • Far more comfortable than a camp pad

    by Matthew – 10th Nov 2015

    Though I haven't used this quilt in extreme temperatures yet, I will be soon. It's kept me cozy warm for several weeks now in temps as low as 30° and I intend to spend the entire northern Ohio winter outdoors in the Incubator20.

    I was previously using a yoga mat and sleeping bag, but this is far more comfortable, and much warmer. I have a top quilt on the way, and I'm sure this will keep me toasty far beyond its rated limit.

  • Wife is HAPPY!!

    by Andy – 2nd Nov 2015

    Purchased this after reading all the reviews. Jenny helped get my order out quickly. THANK YOU, JENNY!!! Wife is happy! She said it was instantly warm on a cold windy day. Setup was easy, used Ridgeline hooks to help stabilize UQ under hammock. Great product and EXCELLENT service! Keep it up, guys!!!

  • Toasty warm

    by Todd – 29th Oct 2015

    Received my incubator 20 quickly and just love it!

  • incubator 20 uq with 2 oz overstuff

    by Unknown – 27th Oct 2015

    Only had two nites on this AT trip
    After 2nd nite, felt like i had her dialed in well
    Had practiced set up/adjustments at home but in very warm temps
    The trail at this time was unusually warm, only down to 40 or so
    The uq performed well and was significantly more comfortable than the blue pad i was using
    Was very satisfied with my purchase

  • Stop looking and just order it.

    by Unknown – 14th Oct 2015

    Like everyone else I will tell you to just order it, you absolutely won't regret it. I've only had the opportunity to try it once so far but it got down to 30° outside, I woke up to a nice frost on the ground but toasty warm inside my hammock, had to uncover a few times because I was sweating. Quality, craftsmanship, attention to detail, and customer service are top notch. Can't wait to use it again next weekend at the NEHHA Great Pumpkin hang.

  • great workmanship

    by Jesse G – 11th Oct 2015

    Recently purchased this underquilt and wanted to wait to use it before reviewing it. The product itself appears to have been produced with care and attention to detail. The materials are light weight and effective. There was a bit of dew on the issue of the uq this morning but a simple pat and it was dry. It kept me warm throughout the night (though operating well above its rating) and at times I could almost get away without using anything else (ie sleeping bag).

    The only negative I have found is the lack of instructive materials. Though relatively straight forward, I feel I would have benefited from having some guidelines on how to affix it to my hammock.

  • Don't Look Any Where Else

    by Ian C – 10th Oct 2015

    I needed an underquilt fora spur of the moment trip and Harry told me they could get it done. Sure enough I got the hammock in time and wasn't charged any rush fee - so I'm very impressed with the customer service!

    The underquilt worked amazingly well. I was up at 8000 ft north of the San Francisco peaks in AZ, with overnight lows at freezing temps and wind was blowing me to nearly 30 degree angles during the night - but I was ridiculously comfortable. Hammock Gear won my future business hands down!

  • Less weight, more warmth!

    by SC20 – 10th Oct 2015

    Awesome product! I bought one to replace the cumbersome, much heavier Hennessy Super Shelter underquilt system and man am I glad I did! Although Hennessy makes a great product, this surpasses it when you consider the weight to warmth ratio. As many of you know, every ounce counts when back packing but you'd rather not have to compromise warmth and comfort, well here is the answer! You will NOT be disappointed! HG, Adam and Jenny are a pleasure to work with! I'm buying another one for my son! :)

  • Excellent, but one suggestion.

    by Isaac – 5th Oct 2015

    I just spent a week in 20-40 degree temps in Alberta. Incubator 20 worked great and i'm confident would have taken me to much colder conditions (i slept in my underwear only with a 20 deg. sleeping bag as an overquilt). Only reason for 4 stars is that the first night was uncomfortable because I didn't connect the S-Hooks high enough up the hammock suspension, which created too much sag. After fixing that and adding a small 8' bungie connection between the side triangle hooks toward the foot end, I had a perfect set-up. Would be great if Hammock Gear offered some set-up instructions/suggestions on website or in packaging. Nights 2-7 were excellent and I'm very confident that my future use will be as satisfactory.

  • Wow

    by alpinepete – 27th Sep 2015

    Love this quilt. Never a cold spot. Flawless construction.

  • like sleeping in a downy cloud of warmth

    by Steve wolfsburg armstrong (United Kingdom) – 25th Sep 2015

    After much research and general knosing around I decided to order the incubator 20 from hammock gear all the reviews had me more excited than a kid before Christmas but until you actually lay in one you will never know the true bliss of its downy goodness! Also can I just say the hammock gears sales team are some of the nicest people I've ever had the pleasure to deal with nothing was too much trouble and the turn around for a custom quilt was almost super human thanks Hammock gear!

  • very nice!

    by Unknown – 24th Sep 2015

    After doing research and reading reviews I purchased an incubator 20...took about 3 weeks to get it and I'm impressed...I haven't got to try it cause it's just not cold enough yet where I live...but the quality is second to none...

  • Yup!

    by Mike – 23rd Sep 2015

    I have tried a number of lesser priced alternatives to staying warm in my hammock...you think I would learn already! My Incubator 20 is by far the best piece of equipment that I put in my pack when I head out into the woods. Awesome quality and great service! Thank you guys!!!

  • Wow

    by Kevin Parenteau – 23rd Sep 2015

    The incubator 20 is the first under quilt I've owned, I feel lucky someone recommended HG. I saved a little money but the greatest thing is I got a superior product. I love the color combo, and material is amazing, can't wait to hit the woods this fall to use this incredible product, Hammock Gear you've earned & got a lifetime customer out of me!!!

  • must have!

    by Unknown – 20th Sep 2015

    Ive tried it all with hammocks and these underquilts r the only way to go! Sleep like a baby in the cold! I have 2. One i use with an eno and one with jungle hammock. Took them on motorcycle trip. worked perfect. The one ive owned over a year now. Made it through a 9 day elk hunt trip in colorado rockies. Stayed above 9000 ft, and worked great!

  • Incubator 20

    by Joachim Kreutzfeldt – 18th Sep 2015

    I brought my incubator 20 on a three day hike to sweden as soon as it was delivered. I didnt have time to test it, and was a bit nervous because it was my first experience with an uq.
    I had no problem with the setup, and slept like a baby. Great product, and super customer service!! I will definately never go back to using a pad.

  • Don't go backcountry without it

    by Michael Breitenstein – 11th Sep 2015

    I ordered my UQ 20 with an extra oz. of down to use in the Sierras at 7,500ft and up from spring through the fall. I used it for the first time this past Labor Day weekend on a night that got down to 36F, not extremely cold but a good chance to try it out. It was really easy to set up on my Hennessy Expedition Hammock. By 9pm after some star gazing I was ready to turn in. To my surprise I was way too hot at first but a little loosening of the suspension to allow a little more air through and I was comfortable all night. No more cold butt! The quality is excellent and I'm extremely happy with my purchase. Looking forward to using my UQ as the temps begin to drop and see how low of a temp I can remain comfortable in.
    Thanks Hammock Gear for the quick turn around on my order and the great craftsmanship of your product.

  • Great UQ, would buy again...initial odor however...

    by Will – 8th Sep 2015

    A well made quilt that I would definitely buy again. First use was in a very humid climate and the odor from the down was quite powerful. The odor has started to subside and will be a non-issue in a little while.

    I am 6'2" and 185lbs and the standard size is perfect.

  • It's a must have

    by John White – 19th Aug 2015

    I just purchased my UQ 20 and it is flawless. The quality is top notch. I have only tested it out in mid 70's temp. Can't wait for it to get cooler so I can temp test it.

    Now to those on the fence about getting one... Just do it... it's a must have for Hammock campers. Yes it is a expensive piece of gear and it is the most rewarding piece of gear. HG underquilt has exceeded every expectation from shipping/quality/warmth/satisfaction. I will be getting my top quilt next.

  • Top quality gear

    by Unknown – 5th Aug 2015

    Excellent quality on the under quilt . Very easy to attach to hammock and adjust as needed. Very light weight. Customer service is excellent as advertised. Had a slight problem with the suspension cord and was shipped out a new one. Could have shipped the under quilt back to have HG do the repair but I didn't want to part with it as it was a simple fix. I would highly recommend if your thinking of an under quilt to go with HG. Price is as awesome as the product. 5'8" and went with a standard with no overfill as I am a very warm sleeper. Should be perfect for the fall and spring hikes maybe even some winter hanging!

  • 3+ Seasoned uder quilt.

    by Slowski – 4th Aug 2015

    Well made and very easy to adjust to my hammock. A bit too warm for summer use but should be adequate for fall and early winter use in the Northeast.

  • High Quality

    by Sarah – 21st Jul 2015

    So happy with the Incubator 20! The quality is amazing! Every stitch is perfect. It's very light and easily packs up and sets up. I got my order quickly and was super happy with the purple color! Love it! I'm glad I emailed before ordering to get help deciding what size to get... I'm 5'4" so I got the Short and it's perfect.

  • No pads needed

    by Scott Payne – 13th Jul 2015

    I Have been using pads since I started hammocking. It is a large investment for the under quilt. I have been working on a budget and learning how to make my own equipment but the under quilt was something I was not comfortable doing. I made one attempt to make a synthetic under quilt but wasn't happy with results. I am very happy with my purchase. What a difference. Thank you for the excellent product.

  • awesome

    by Eric Mathieu – 9th Jul 2015

    What else to say?
    The service and communication are at the top. The quality of the product is perfect.
    In the 2 weeks I had mine, I did a 2 and a 3 day trip. Ordered a second one for my wife who took mine. I will not go back to a pad for anything. The comfort, the adjustability of the quilt is marvelous. I cannot thank HG enough. And the shipping time was less than 3 days after ordering. We are talking custom order now. I will order my 3rd one for my kid as soon as I can. Looking at jumping for the top quilt hopefully next year. I am converted to HG.
    Did I say I love it?

  • Non-stop satisfaction!

    by Eric Owens – 29th Jun 2015

    I bought this 20* UQ in order to extend my opportunities for using my hammock throughout the year. Previously, I was limited to use that could be called 2-season. I have not been at all disappointed.

    This purchase was made at the same time that I ordered an 40* TQ, both with an over stuff of down. This past December of 2014, I went on a weekend trip that took the temps down to 15* and both quilts did not leave me at all wanting more warmth (I did sleep in my full clothing using wool baselayer, etc.). I would not have much concern for going to 10* under the same circumstances. Even during warmer outings into the low 70's or high 60's, I have not been disappointed.

    My satisfaction with Adam's and Jenny's craftsmanship has only increased the likelihood that I will be asking for some expressly custom work in the very near future.

  • Very cool design updates!

    by Fibby – 19th Jun 2015

    I ordered this for my boyfriend based on how happy I am with mine. I am very impressed with the draft collars and double elastic suspension. Mine is an older model and I am very happy with its performance but I am a little jealous of the new mods. Can' wait to give it a real test!

  • Double Down on HG!

    by Benjamin/T-minus@hammockforums.net – 18th Jun 2015

    I ordered a 20Incubator (Dark Olive Drab/Black short) For my WBBB XLC, Top marks, exceeds all expectations and would say hands down the best piece of gear I owned until I received my 20Burrow (Multi-camo/ Burnt Orange Wide/Standard Sewn), now they both are the best gear I own. I received my orders fast, (9/6 Days Inc/Burrow) and beyond the quality I visualized from the pictures I've seen in making my selection, and I'm Super Pleased, They even matched the stuff-sack per my request. I love it. Thanks HG, you Have added warm fuzzies to my hart and to my Hang. I'm glad I double downed.

  • HG

    by Jason Hribik – 16th Jun 2015

    You can never go wrong with any HG product, fast, perfect sevice everytime. The incubator is exactly as expected, warm, light and compact.

  • Great quality

    by Unknown – 15th Jun 2015

    Looks great, packs down easily and looks warm. Can't wait to get out and try it.

  • Feeling hot, hot, hot...

    by Johan / born2roam – 15th Jun 2015

    I bought my incubator in 2013, after more then 2 years of great service, I finally took the time to write this review. First of all because I promised to leave a review, but most important of all, because the people at HG deserve big BIG complements for creating such a fine product.

    With custom (signal) orange on the inside {just in case] and black on the outside this has been the centre of attention on many a hang! It packs small, is super warm and of great quality.

    The several options of hanging and adjusting the underquilt got me confused for a bit but I quickly got the hang of it (sic) :-)

    Highly recommended! I use it all the time, unless the season calls for my Baby Orca used on its own. Which, by the way I add to the incubator if temperatures drop sufficiently.

    Grtz Johan aka Born2Roam

  • Home Improvements, worth doing

    by Neil's in... – 5th Jun 2015

    Hi all, I purchased this to replace my inadequate Hennessey 4 season kit. Many cold nights suffered before biting the bullet.

    So this is my first down filled under quilt, still haven't had a chance to test it in the cold cold, my hammock is currently my home for the next 6 months and this home improvement pays for itself. Last night I was sweating in the mountains of Washington (Chinook pass).

    My word of warning to those who have not used one of these quilts before, be sure to tighten the elastics crazy tight, previous night was experiencing a midnight chilly patch due to insufficient tightness.

  • Great, so warm

    by Tom – 5th Jun 2015

    So warm and light

  • very happy with gear and service

    by todd j – 2nd Jun 2015

    very well constructed quilt shipped to me with quickness for just a little extra

    very good experience dealing with Harry and Adam
    many thanks

  • Top Notch!

    by Dan – 29th May 2015

    Excellent quality and service, what more can I say. Thank You HG!

  • nothing here to dislike

    by SP from Utah – 17th May 2015

    I was on the fence for a long time about getting an under quilt. I don't get out as often as I'd like so was avoiding dropping the coin and just using a pad. It was adequate and better than being on the ground, but fussy even with a pad in a double layer hammock. So bit the bullet and went with the Incubator, figuring that these have an excellent reputation such that potential resale wouldn't be a problem. Have had it out for several nights in the Rockies, including a night with mixed cold rain, hail and snow. Slept comfortably and warm in the 20 degree Incubator. First time setup was actually very easy with minimal tweaking. Nothing to complain about here...

  • finally no cold

    by Bill Y – 14th May 2015

    Tried all the cheap ways to keep the cold (even cool) out. Finally bit the bullet and bought this UQ. Should have years ago. Finely made, great service, great quality.
    Go ahead and buy one.

  • great

    by L.h. – 12th May 2015

    So far so good! It's definitely warm! I've only tested it out a few times but I'm about to take it on a trip to Colorado. I only wish it came with slightly clearer instructions or a video demo online since I'm still not sure if I have it set up right with the cords on the end, but I figured out something that seems to work. I also wish the blue color was a brighter blue but the color doesn't matter that much. Seems like a great quality product, I'm very happy I got it!

  • no frozen butt hang with this one.

    by Unknown – 2nd May 2015

    Thumbs up!

  • review for my second Incubator Underquilt

    by Scott Turskey – 2nd May 2015

    Simply said...top notch and well done....great service....if I was going to buy another. ..it would be a product from Hammock Gear. ...just might do that soon...for my third hammock. Cannot go wrong with this company! !! Just Exceptionally done.

  • Second Incubator even better...if its possible

    by Henry Hibbs – 30th Apr 2015

    About 2 years ago, and after a lot of research, I pulled out the money I been saving up and bought a 20 degree Incubator Underquilt to use with my Warbonnett Blackbird hammock. My decision to get the full length Incubator vs. The Phoeunix was based on the weight spread and simplicity. To me the weight spread wasn't worth the hassle of taking foam padding and worrying about my lower legs. In backpacking many times in late fall, winter and early Spring in the Southern Appalachians with this UQ, I found the 20 degree rating to be very accurate. At 15 degrees I was still warm. Adam guaranteed me the rating was conservative and he was exactly right. I am a cold sleeper in the winter and a hot sleeper in the summer...but this 20 degree quilt is great for a long packing season through 3 seasons at least. I sewed Dutch quilt hooks onto my Blackbird to keep the Incubator exactly where I want it particularly on my left shoulder and feet in the foot box. It saved me a lot of tinkering on the coldest nights.
    A few weeks ago I ordered another Incubator...this time with black Argon 90 on the outside and Cinnamon brown Argon 67 on the inside. I also added 2 oz. of down overfill but Adam also altered the baffles to a 10 degree "cut. The quality on both these quilts is just extraordinary. When we arent backpacking or camping, my wife and I use these Incubators as a personal full length personal quilts. Ive had the 10 degree I cubator on a 4 day pack trip on my Blackbird XLC and I have not doubt it will take me down to the 5-10 degree range . Thank you Adam for the integrity you bring to the hammocking community. When tent campers ask me if they can give my hammock rig a try my only concern is that when they snuggle in between my HG Incubator and my Zero degree HG Burrow they may never want to get back out. Mornings in the on the trail , I hate to get out of my hammock because I feel like I'm floating in a envelope of warm down.

    Never hesitate to select Hammock Gear products ...they have always retained the best reputation because they never will do you wrong . Their gear will last a lifetime.

  • The best

    by Tim – 28th Apr 2015

    First I would like to say I'm not good at writing reviews and don't write many but after using this quilt I had to.

    Hands down the best customer service in the business spent time talking with Adam and Harry to get exactly what I needed.

    The quality of workmanship is great not a stich out of place no down leakage it's perfect.
    The best thing of all it worked as advertised kept me very warm on a cold wet (very wet ) night in the Cranberry Wilderness , the best piece of gear ive taken to the woods in a long time

    Adam, Harry I woul like to personally thank you, HG is my one stop shop for my outdoor gear. It people like you two that make my 30 years of service in the military worth it.

    Thank you Tim.

    P.S. I'll be sending more people your way.

  • Great product

    by Matthew Hermann – 28th Apr 2015

    Worked great on the AT for a week. Would recommend to a friend.

  • high quality

    by Unknown – 24th Apr 2015

    As been said before this a height quality piece of gear can't wait to try it out.

  • tremendous service, high quality

    by Unknown – 17th Apr 2015

    I originally made an order for a 30 degree quilt, but the next day I had second thoughts and asked if they could make it a 20. Not only did they change the order for me but I still got my quilt six days after I ordered. And not only that, the quilt is tremendous quality. Top of the line service, top of the line craftsmanship, and a super low price considering the quality and materials.

  • One and Done

    by Johnny B – 16th Apr 2015

    This is my first under quilt and more than likely my last. Being new to hammock camping I did an extensive search through didffernt forums, websites, YouTube channels and found nothing but praise for the Incubator. After camping two nights in the outer banks of NC, I now know why, this thing is awesome.
    Taking it out of the box I was leary because it's so lightweight and can pack so small. After allowing it to loft for a few minutes I attached to my Nylon Hammock and immediately noticed how warm this UQ was. I've only used it twice so far but can't imagine it getting worse. The nights got to a low of 52 and all I needed was a sheet over the top of me. This UQ alone was all I really needed to keep and maintain warmth.
    I like how easy it is to adjust and move/slide while laying down. No need to get out. I only attached it to my cinch buckles and have o need to secure it to my ridgeline.
    The company went above and beyond to make sure I would have this in time for an upcoming trip. I will definitely keep coming back for any other hammock camping needs I may have.
    If you are skeptical about the price... why buy something you'll regret later and end up spending more money? If hammock camping is something your into, this is a necessity.

  • loving the incubator 20

    by Unknown – 10th Apr 2015

    It have only used my incubator 20a few times as yet, but so far it is absolutely wonderful. The first time I set it up it took a while to figure out the new suspension system. After some trial and error I got the set up I needed for the way I sleep. Adjusting it while in your hammock is as easy as racking around and giving a tug here or a pull there. That first not it was 41 degrees and I was almost too hot. The next night it was low 40s again and I was very comfortable. The last two nights I spent we had some severe thunderstorms. I was a little uneasy hanging between 2 trees with all that lightning flashing around me. I was swinging in the wind but never lost the insulating comfort of the incubator. I eminence it highly. I liked it so much that I bought the burrow 20 top quilt to go with it. It arrived today in the mall. I plan on spending the night in my hammock using them both. Thunderstorms on the radar again. Wish me luck.


  • loving the incubator 20

    by Unknown – 10th Apr 2015

    It have only used my incubator 20a few times as yet, but so far it is absolutely wonderful. The first time I set it up it took a while to figure out the new suspension system. After some trial and error I got the set up I needed for the way I sleep. Adjusting it while in your hammock is as easy as racking around and giving a tug here or a pull there. That first not it was 41 degrees and I was almost too hot. The next night it was low 40s again and I was very comfortable. The last two nights I spent we had some severe thunderstorms. I was a little uneasy hanging between 2 trees with all that lightning flashing around me. I was swinging in the wind but never lost the insulating comfort of the incubator. I eminence it highly. I liked it so much that I bought the burrow 20 top quilt to go with it. It arrived today in the mall. I plan on spending the night in my hammock using them both. Thunderstorms on the radar again. Wish me luck.


  • Awesome Product

    by Chris M – 6th Apr 2015

    I read a lot of reviews and did a lot of shopping. I wasn't really sure about dropping the cash on an underquilt. I took the plunge and between the Incubator 20 and my Sierra Designs down sleeping bag, I slept very comfortably all night down to 25 degrees F. I probably could have taken it down another 15 degrees and would have been just fine.

    The product is well made. The suspension works great at pulling the underquilt up underneath you with no air pockets.

    My only complaint is that it took 3 weeks to get to me. In this day of 2-day-Amazon-shipping, I have high expectations. But I understand the nature of this product and this company. I highly recommend HAMMOCK GEAR!

  • Anyone who owns a hammock should get one.

    by Greg – 5th Apr 2015

    I just finished a two week job at a remote lakeside cabin. I had to leave before the underquilt arrived. Using a closed cell foam mattress underneath me that was only 20" wide left me having quite a bit of cold spots throughout the night. I came home for a night and my new quilt showed up. I was excited to use it and let me tell you.. This thing was perfect. So easy to set up and the fit was great with my single person hammock. The last two nights I used it the temperatures dropped down into the low to mid 30's. My face was cold but it kept me warm and toasty. I was using my 15 degree sleeping bag as a top quilt but I will be purchasing a hammock gear top quilt here soon.

    If you are having trouble deciding whether or not to get one? I did and I wish I would have purchased one sooner. Great quality and easy to use. I will never sleep on the ground again if I can help it.

  • Nice and toasty!

    by Laura D. – 4th Apr 2015

    I went camping last weekend and the temperatures were between 20° and 30° and windy. Half of me was really warm - the half lying against the hammock. Unfortunately, the rest of me was cold, even with a good sleeping bag.
    The underquilt's material is very thin, it makes me think of plastic grocery bags. It appears to be able to withstand abuse, but I don't intend to test that out. What is really impressive is how easily it packs down to such a small size. I associate stuff sacks with struggling to get the last bit in, but not with the underquilt!
    I highly recommend this product.

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