onewind Double Hammock Underquilt Warm Insulation Ultralight 3-4 Season Camping Quilt, Portable for Hiking, Backpacking

I have now used this under quilt for the past year. It works very well. I believe it will help keep you much warmer than the rating. It has a top button system that when closed up almost eliminates the need for an over quilt when the weather is warmer. I got it primarily because it wasn't down. I live in an area with lots of rain and I didn't want to deal with wet down.Pros:1. Inexpensive, well worth the money.2. Provides extra top warmth as well as bottom warmth.3. With lots of tie offs at each end it can be used with many different hammocks.4. After a year's regular use, it hasn't shown any wear. Used at least 2 days a month. Twentynine days this past year.5. It works just fine with my double hammock.Cons:1. Heavier than down.2. Does not pack tightly without using a compression bag.3. It takes some time to learn how to set it up with all the different ways it can be used with different hammocks.I can recommend this under quilt and I would buy it again if I needed it for a second hammock.

All around a great underquilt. Warm, lightweight, easy to use, high quality, great price, and versatile.The warmth surprised me. On my first use I doubled the underquilt with the Onewind attachable quilt and used my Hammock Gear down quilt over top. This was overkill on a night in the low 40s F. Since then I have used the underquilt on it's own with the Onewind quilt over top of me, and I expect to use this configuration until fall when night time temps get into the 30s F and beyond.Perhaps the greatest pro to this underquilt is the versatility. It is easy to adjust and can be left loose for warm nights or tightened to your body for cool nights. With the Onewind quilt it can be adapted to cold nights. The design can accommodate all types of hammock sleepers, whether you lie straight or diagonally.The sides of the underquilt rise up above you in the hammock, effectively insulating you on 3 sides and blocking out all wind. I have used this underquilt on nights with a bitter cold wind coming off the lake and never felt the wind except when I poked my head or arm up above the underquilt.Negatives are few. The cords are many, and they can get tangled around each other while hanging the hammock. This effects the ease of adjusting the underquilt a little bit, but mostly it sets off my OCD and I have to straighten them out. Straightening them is simple enough though, and then the underquilt is easy to adjust even from within your hammock. The stuff sacks is a perfect and tight fit for the underquilt, and there isn't any extra room in there. The sack has an opening on each end for convenience while hanging, but I find it is easier to remove the underquilt from the bag completely so that I can straighten out the cords. I am considering buying or making a bigger double ended stuff sack so that I can fit both the underquilt, Onewind quilt, and hammock all together for a quick, one-step hang.I wholeheartedly recommend this underquilt.

I got 4 of these for my family we’ve been hammock camping a lot this past year. We started out with hammocks and straps. Then we added tarps once we got rained on. The tarp does add a level of warmth. Next we added bug nets. The last piece was to add under quilts and push our camping into the winter. We have -30 sleeping bags we use. We slept outside down to 30 degrees without under quilts so I thought we’d be okay without the extra blanket. I got cold but nobody else did but we got down to 18 degrees by early morning in January. I think I would have been okay if I wouldn’t have kept getting up to check on my 8 and 12 year old in the middle of the night. I was also missing a layer of clothing that I normally wear in winter camping. With a few changes I think I can sleep warmer in my hammock now than sleeping in a tent on the ground.The under quilt was pretty easy to set up and adjust. I sent one back because it was missing parts and it looked like someone just tried to get it to work with odd parts. But all in all worth the money.Update January 23, 2021: just got back from a Boy Scout winter camp out that snowed 6” on us. We added the Onewind under quilt cover and I tweaked my under quilt with the addition of another blanket and I had my usual layer of clothing that I was missing last time. It got down to 27 degrees and I was sweating. The cover and the tweak gave me that added comfort and I didn’t want to get out of my hammock in the morning. Everyone else was up trying to get warm. I plan to add the blanket to my under quilt as soon as it is in stock again.