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Description

A versatile, three-season mummy that's easy on your wallet as well as your shoulders.

A big sky with a million visible stars lures you out to more remote regions of the globe, and the down Kelty Cosmic 20-Degree Sleeping Bag ensures you sleep well without depleting your savings account.
  • Rated down to 20F, this bag is best suited for summer nights in the mountains mild spring and fall nights
  • The polyester taffeta outer shell withstands trail abuse, while the slant-baffle construction prevents the down from forming cold spots
  • The 550-fill down insulation compresses and rebounds well and features a high warmth-to-weight ratio
  • A zippered draft tube, adjustable hood, top draft collar, and ground-level side seams seal you off from chilly air
  • Two-way, 3/4-length zipper reduces weight while allowing easy entry and exit
  • Drawcords allow you to minimize interior air space to eliminate places for cold air to form
  • Ultralight stuff sack packs the bag down so it fits in your pack

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Review Summary
5
7 4
4 3
2 2
0 1
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Kelty Cosmic Sleeping Bag: 20 Degree Down

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Here's what others have to say...

5 5

Solid Down Bag

  • Familiarity: I've put it through the wringer

Used this multiple times in RMNP and in the Smokies. Kept me warm and toasty in a 15 Degree night in the Boulderfield on Longs Peak. Although you can easily get much higher fill down bags ($$$), this one is great for a budget without compromising warmth. Can compress down to smaller than a basketball with a compression sack to maximize room in the pack. Highly recommend.

5 5

Cannot get better for the price

  • Gender: Male
  • Familiarity: I've used it once or twice and have initial impressions

I have owned more than 5 different sleeping bags over many years in the family. I do scouting and get a chance to use and see many different types. I purchased this bag for my whole backpacking family + 3 scouts for a winter camping trip in 30 degree weather and we were the only ones comfortable at night. This bag is so nice I sold both of Big Agnes Hawk 20 degree Down bag to replace with this. Yes I would love to get lighter but for the price WOW. I truly believe it would keep all but my face a comfortable temperature to a near 20 degrees.

5 5

Great Bag for the money!

  • Gender: Male
  • Familiarity: I've used it several times

I have owned this sleeping bag for about a month now. so good so far... great bag for the money i paided for it. definetly recomended.

5 5

Great bag if used right.

  • Gender: Male
  • Familiarity: I've put it through the wringer

This is a great low-end bag for backpacking and camping. I have used it in 5 degree weather many times and it's never failed me. I admit I sleep warmer than the average person but I think the reviews about it being a cold-sleeping bag are incorrect. Sleeping bag temp ratings are made for bags that are used in a tent with a mattress. I carry a therma-rest self inflating pad with an old Easy-Up Shade cover that I re-purposed for backpacking as a ground cloth/shelter and deal with the 1.3 pound allowance for the extra gear so I can stay warm and dry even in coastal downpours and fog. I spend several weeks (20+) every year backpacking, kayaking, camping, photography shoots, outdoor concerts and the like and have put this through a lot of use and abuse. This like all of the Kelty products I have used comes through with high marks.

4 5

Pretty good for the price

  • Gender: Male
  • Familiarity: I've used it several times

I got this bag to do some hiking over the summer since I would be up north in the mountains and the nights were in the 30's and 40's. It worked very well. It really is as light as advertised, but what really surprised me is that I could compress it more than my wife's 20+ bag. I will have to update after I give it a few tries in the winter, but so far I love it.

4 5

Great bag for warm sleepers

This is a great bag for anyone who sleeps better in cooler environments. I have yet to test it out in 20 degree temps but it got down to 39 last time I used it and I still unzipped it and slept just half covered. Seems to be made pretty well, occasional zipper hang up as with any sleeping bag, but for the price I am happy the product. I do occasionally get annoyed with the velcro strap at the top of the zipper, as it traps me in sometimes in the middle of the night.

3 5

Not Bad

Honestly this sleeping bag is not the warmest. I would say that it is a late spring, summer, and early fall sleeping bag. You definitely aren't going to be cozy at 20 degrees, maybe in a warm tent. I hammock camp and was in 50 degree weather and actually got a little cold during the night.

Responded on

What else did you use while hammock camping? Did you have any insulation underneath you like a pad or underquilt? A sleeping bag alone does not work in a hammock, as the bottom insulation gets compressed, losing its loft and insulating capability.

5 5

Just right

I'm pretty in love with this thing. It's my first down bag, so I was a little skeptical, but it's perfect for the price. I took this camping at the base of Quandary Peak (Colorado 14er) in May and I had to wear layers, but I didn't freeze to death! The majority of camping I do for the summer isn't in as extreme conditions, and it works great. Incredibly soft and comfortable. I know I could have gotten better if I was willing to spend double, but for the price you really can't beat this thing.

5 5

My Fav

I have purchased a lot of sleeping bags and this is my favorite so far. It's really really light, not too expensive and super warm--meets all my needs. Plus, I really like the green color.

5 5

nice but a little tight

the bag is very nice and warm only problem for me is i am 6'3" 230lb, i have wide shoulders so this bag is a little tight around the edges, if you like to be nice and snug with not a whole lot of room to move this is the bag for you.

3 5

Decent

This was a good bag at first. Its very reasonably priced for a down bag. I used it several nights at around 25 or 27 degrees and it was pretty chilly, so I'm not sure the 20 degree rating is accurate. Its lightweight and packs down quite small, so you'll have no trouble getting it into the bottom of your pack. I ended up returning it because some of the seams around the footbox started to leak down anytime I would unpack or pack it. I don't know if this is normal or not, as I've never used any other Kelty bags. Its good for the price but don't expect to be comfortable at 20 degrees.

4 5

Not true 20* but close

I got this for my son, who is a hot sleeper. I mean in winter, he still sleeps in just his underwear. The temps were lower 30's and he slept in icebreakers midweight and pategonia heavyweight top, wool socks and was comfortable. To me, this amount of clothes is too much for the lower 30's, when the bag is rated for 20.

4 5

Great Budget Bag

I was in the market for a down sleeping bag that would keep me warm without wiping out my funds. Unfortunately all the nice, high quality bags are usually hundreds of dollars. Then I spotted this bag. It's been reviewed by backpacker magazine so after reading that I went ahead and got it (for about $110). It's 550 fill down so it's not AS lofty or thick feeling as some of my friends high end bags but it definitely gets the job done. I took it backpacking above Chilnualna Falls in Yosemite and was comfortable even when the temperature dipped slightly below 20F overnight.

Overall I would say this is a great bag if you want something that will keep you warm and is relatively cheap, but if you really want to get a bag that is a high quality investment or think you may run into some colder temperatures then go ahead and save up for something else.