$ 269.95
For cold-weather camping, you want a sleeping bag that retains heat. This 3-season superstar from Kelty is a lightweight mummy with 800-fill-power DriDown. The spacious footbox provides wriggle room.
4 in stock
Kelty Cosmic Ultra 20 Sleeping Bag
Imported.
Temperature ratings are intended as a guideline to help you compare products, rather than a guarantee of warmth, since many different factors contribute to your comfort while you sleep. Backpacking bags are typically rated for temperature according to an independent testing protocol—currently the International Organization for Standardization (ISO) 23537, though some older items followed European Norm (EN) 13537. Testing is based on a person wearing one base layer and a pair of socks, sleeping on an insulated surface with a minimum R-value of 5.38.
Each bag then gets 2 ratings: the Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Some brands determine their own temperature rating by aligning to the Comfort rating for women’s bags, to the Lower Limit rating for men’s bags, or somewhere in the middle for nongendered bags.
| Best Use | Backpacking |
|---|---|
| Tested Lower Limit | 13 degrees (F) - ISO |
| Tested Comfort | 25 degrees (F) - ISO |
| Temperature Rating (F) | 20 degrees (F) |
| Temperature Rating (C) | -7 degrees (C) |
| Weight | 2 lbs. 14 oz. |
| Shell | 20-denier nylon taffeta |
| Zipper Location | Right |
| Insulation Type | Down |
| Fill | 800-fill-power DriDown |
| Fill Weight | 1 lb. 9 oz. |
| Sleeping Capacity | 1-person |
| Lining | 20-denier nylon taffeta |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | 68 inches |
| Shoulder Girth (in.) | 62 inches |
| Hip Girth (in.) | 58 inches |
| Stuff Sack Size | 8 x 13 inches |
| Gender | Women's |
| Weight | 3.05 lbs |
|---|
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