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Description

Comfortable three-season camping.

Enjoy warm, comfortable, three-season camping with the Kelty Cosmic 20/EN 21 Sleeping Bag. The Cosmic is made with 550 fill-power down for light weight and amazing packability. Smart features like a baffle collar, a draft tube, and ground level seams keep the chill outside, and sleeping pad loops and liner loops keep everything positioned right where you need it.

  • 20-degreee rating for comfortable camping from mid-spring to mid-fall
  • Down fill is ultralight and ultra-packable
  • Mummy shape for efficient insulation and minimal pack size
  • Soft, durable 50D polyester taffeta shell and liner fabric
  • Insulated hood baffle for head-to-toe warmth
  • 3/4-length zipper for reduced weight
  • Two-way locking zipper won't open in your sleep
  • Zipper draft tube seals out drafts
  • Anti-snag zipper design for no more stuck zippers
  • Differential cut and slant baffle construction eliminates cold spots
  • Ground-level seams help prevent heat from escaping
  • Sleeping pad and security loops keep everything in place
  • Internal liner loops keep your liner from wandering
  • Fatman and ribbon drawcords are easy to find and grab in the dark
  • Stuff sack included

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Kelty Cosmic 20/EN 21 Sleeping Bag: 20 Degree Down

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Here's what others have to say...

5 5

Decent Bag for the money

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

Between a Mountain Hardware Lamina 35, a Slumberjack Latitude -20, and this Kelty Cosmic Down 20, the Kelty is by and far my favorite. The Packability of the down is unrivaled with the 550 fill power.
I have started noticing cold spots in it, however after only using it 3 nights.

I have used this back only three times car camping, and I have been noticing a lot of cold spots in the bag. Its frustrating waking up a lot due to that.
The first night or two I used it, it wasn't noticeable.

I am returning it, and looking for something with high fill power. I will most likely get another Kelty. Probably something from their trail logic series.

4 5

Cosmic Love

  • Familiarity: I've used it several times

I switched from a synthetic Kelty Light Year to this bag. It was definitely an upgrade and I prefer the down. I used it for a couple weeks hiking the Smoky Mountains in the early spring and I was never cold. My bag is a Long and I use a Granite Gear Air Compressor Sack - 8L/XS,. In the compression sack, its circumference is slightly larger than a football. I would recommend it more for weekend/short hikes rather than long-distance hikes -- where you're looking to save on pack space. I have the Macaw Green and it's a cool-looking bag if you want to pick up style points in the sleepwear department.

4 5

Can't beat it for the price

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

I know there's better down sleeping bags out there but for the money this one can't be beat. I'm 6' and ordered a long because I like to have a little extra room. For anyone on a budget this is the down bag for you.

I'm trying to decide between this and the...

I'm trying to decide between this and the Marmot Trestles 15 Sleeping Bag. If someone could help me weigh the pros and cons of synthetic vs down (your opinion of what's better) and significance of weight/size when stuffed into sack. Is down over synthetic worth the $45 difference in the long run? I used to do backcountry backpacking, but now I'm mainly using this for international backpacking and camping purposes. Maybe short backpacking trips. Just for context.

Responded on

Hey Kai,
Both bags are awesome choices. The biggest difference you will notice when comparing a down bag vs a synthetic bag is how much smaller and lighter weight a down bag is in comparison to a synthetic bag. If you plan to use this for international travel then having a bag that is light weight and packs small would be nice. This way you have more room in your bag for other gear you may need when traveling abroad for extended periods of time. The pros to a synthetic bag would be that they will insulate even if it get wet. Synthetic insulation would be best if you plan to use this in a wet or humid environment for extended periods of time as it will not hold onto moisture like a down bag will. The pros to down are that it lasts longer than synthetic insulation if cared for properly. It packs smaller and is lighter weight than synthetic insulation. I have both synthetic and down bags but I prefer my down bags over the synthetic ones as long as I am not camping in a wet or humid area. If weight is not a concern and you have the extra room for the larger bag then the synthetic bag is a great choice. Otherwise I might recommend the down bag due to the smaller packed size and lower weight. Both Marmot and Kelty make excellent bags and I can say that after owning bags from both companies. If you have more questions feel free to contact us via live chat or by phone at 1-800-409-4502.

Best Answer Responded on

Not sure if you made a purchase yet, but my bag is a Long and I use a Granite Gear Air Compressor Sack - 8L/XS,. In the compression sack, its circumference is slightly larger than a football.

Not sure if you made a purchase yet, but my bag is a Long and I use a Granite Gear Air Compressor Sack - 8L/XS,. In the compression sack, its circumference is slightly larger than a football.
4 5

a good buy

Pros:
1) the kelty down is comfy and warm!
----> since it is down it'll retain its' warmth capacity
2) The zipper has padding to keep the cold out.
3) I didn't really like the red color until i got it out of the box, it's not as bad as the picture makes it look.
4) adjustable hoody (its pretty open, you can get the opening pretty small but not like some other mummy bags, beanie may be in order)
5) 20 degrees for the price is pretty good bang for your buck.
6) comes with a stuff sack
cons:
1) It's 550 fill down which means it doesn't compress as well as higher end down, the stuff sack is pretty big for like a lightweight hiking trip.
2) not the lightest down bag,

Overall a great buy, I will continue to use this for my weekend excursions where i don't have to walk too far with it. I would definitely recommend!

4 5

Tiny and lightweight

  • Familiarity: I've used it several times

I bought this bag for its stuff size and wasn't disappointed. In a compression sack I could almost get it down to the size of a basketball. It's a great mid range warmth too for a cold sleeper like myself.

4 5

Kelty is king

  • Familiarity: I've put it through the wringer

I've had a version of this bag for almost 20yrs. It is still a go-to bag. Given that it's older it doesn't compress like the newer bags but it does a great job for lighter trips. You can't go wrong with any Kelty products.

4 5

Nice entry level down bag

Likes:
Packs well. Light. Easily kept me warm on cool VA summer nights (50-60 degrees).

Dislikes:
Wish zipper went all the way to bottom of bag, to possibly link with another bag. Zipper itself lightweight. We'll see how long it holds up.

Comments:
I'm about 5'9" and the regular suits me well. I think its best to store outside of stuff sack in order for down to retain volume.

3 5

Good value priced down bag

  • Familiarity: I've used it several times

I got this bag as a low price down bag, with a price not much higher than the synthetic bags. I'm happy with the choice, because the extra money spent is worth it. Its much better than the similarly priced synthetic bags I tried: way more packable, light weight, and toasty warm. It is nothing compared to a higher end down bag, but for the price, I'm damn happy.

Some notes: I am 6'1", and the length is pretty good, but the hood does not fit well. It seems shallow, and the opening is huge, so you really have to cinch it down (a lot) to get a good seal. I honestly wouldn't use it as a 20 degree bag due to the looseness up top, but it does perfectly well as a 30/40 degree bag or summer bag. The loft isn't as good as a better bag, and some spots are bare, but they do well at overlapping the stitches so I don't notice many cold spots.

Its not the lightest, warmest, or best constructed down bag on the market, but for the price, I'm happy with the bag as a down alternative to a synthetic bag, but I will reiterate: I wouldn't pull this bag off the shelve for a trip forecasted near 20 degrees.

Responded on

Joe, would you mind sharing what size bag you purchased? I am about your height and it would help me figure out which one to get. Thanks!

Kelty Cosmic Down 20

Responded on

I have this in green and the "long" version and I can easily fit it in my small size eVent compression bag. Compresses to 7x 9 in.