Hands-on Gear Review
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Street Price: $200 | Compare prices at 3 resellers
Pros: Inexpensive for a down bag, 2 diameters of drawcords on chin and hood
Cons: Heavy, less compressible and less warm than competitors
Best Uses: Car Camping, backpacking, child’s sleepovers
The one word our testers would use to describe the Kelty Cosmic Down sleeping bag is "OK". This bag is just ok at everything. It is the least expensive down bag we tested, which makes it a good value for a budget conscious lady looking to purchase her first mummy-style down bag for a backpacking trip. It has low quality 550 fill duck down, that is heavier than would have liked, though the newest iteration of this classic bag now has hydrophobic down. We discovered that the Cosmic Down incorporates synthetic materials into its neck baffle and draft tube, which also contributes to its weight and bulk. It is very similar to other inexpensive down bags like the Kelty Ignite 20 - Women's and the Big Agnes Roxy Ann 15.
During our testing period, we ran into a woman on the John Muir Trail who was using the Kelty Cosmic Down. We polled her for her opinion, and she said "so far so good, good value for the money."
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OutdoorGearLab Editors' Hands-on Review
This is a budget down bag that is very similar to the Kelty Ignite 20 - Women's, which is essentially another version of the Cosmic Down. The primary difference is that the Ignite has 600 fill down where the Cosmic has 550.
New Version of the Cosmic Down 20 vs. The Older Version
Kelty is obviously playing around with its sleeping bag line. The Ignite was introduced in 2015 as a new hydrophobic down bag, but will be discontinued at the end of the season and a significantly redesigned Cosmic Down with hydrophobic treated down is being brought back into the line. We think the Ignite is just a bit warmer and nicer than the Cosmic, but think that both are reasonably priced and relatively versatile with the introduction of hydrophobic down. The colors have changed for this new version of the Comic, and the price has also increased slightly, from $150 to $200.
Below you will see the new version on the left and the old version on the right.
The Kelty Cosmic Down bag is EN tested to 32°F. We did not experience temperatures that cold while testing this bag, but we don't think we would want to. We felt like this bag was just warm enough when the temperatures were approaching the low forties.
Although we tested heavier bags, the Cosmic Down is by far the heaviest of the down bags tested. We were disappointed by how heavy this bag is because one of the great advantages of down is its high warmth-to-weight ratio. The Cosmic Down is 2lbs 8 oz, and we hoped at this weight it would be warmer and have a higher fill power.
This bag is relatively comfortable. It fits our 5'5" tester well, and she has a enough room to put on additional layers without it feeling too restrictive.
This bag compresses relatively well because it is down, but does not compress as well as the other down bags we tested, like the REI Joule. It comes with a small stuff sack, but not a compression sack.
Making the Cosmic Down smaller and narrower is the only attempt that Kelty makes at a women's specific feature. The zipper seems low quality, and has a tendency to catch on the shell material. We like the different thicknesses of drawcords for the hood and chin baffle so it is easy to tell them apart in the dark.
This bag is somewhat versatile. Paired with a high R-Value sleeping pad, it could be stretched from late spring to early fall use in warmer climates. The hydrophobic down allows it to be used in a slightly wider range of conditions. But it is heavier than the other down sleeping bags we tested, such as the Rab Neutrino 400 - Women's and we would not want to carry this with us on extended backpacking trips.
This inexpensive bag works best car camping, during sleepovers, and on short backpacking trips.
At $199.95 the price tag on this hydrophobic down bag is hard to beat. It is a great value for a budget conscious camper who wants a down sleeping bag and needs a go-to bag for all of her camping needs.
We think this bag is overall pretty average. It is moderately comfortable and moderately warm, but doesn't stand out in any metric. We think it is an excellent choice for someone on a budget or new to backpacking and camping.
The classic Cosmic Down bag from Kelty also comes in 3 unisex versions in addition to this women's version. All of them have been redesigned slightly for the 2015-16 season and now include hydrophobic down, which is quickly becoming the new industry standard.
Kelty Cosmic Down 0, $290.
Kelty Cosmic Down 20, $190.
Kelty Cosmic Down 40, $140.
— Jessica Haist
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OutdoorGearLab Member Reviews
Most recent review: August 4, 2015
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