The Story
Order now for a lightweight mummy sleeping bag. Kelty's Cosmic Ultra 20°F Sleeping Bag is a three-season superstar with 800 fill DriDown and a trapezoidal baffle construction for improved heat retention. The natural-fit foot box keeps feet happy, and a PFC-free water-repellent coating is better for the environment.
2025 CLOSEOUT
Specs
- Innovative trapezoidal baffle construction = thermal efficiency
- Premium lightweight 800 fill DriDown
- Environmental and health friendly C0 and PFC-free DWR fabrics
- Zippered internal stash pocket for headlamp, cell phone or actual… stash
- Buttery-soft and durable 20D Nylon shell and liner
- Zipper draft tube keeps warm air in while anti-snag zipper makes it easy to get in and out
- Natural fit spacious footbox = more room to wiggle your toes
- Comes with stuff sack for quick departures
| Shape | Mummy |
| Temp Rating | 20.0°F / -7.0°C |
| Fill | 800DP Dridown |
| Fill Weight |
15.17 oz / 430.0 g |
| Shell and Lining |
20D 400T Nylon |
| Length |
77.95" / 198.0 cm |
| Fits To |
72.05" / 183.0 cm |
| Dimensions (shoulder-hip-foot) |
158 - 147 - 102 cm / 62.2 - 57.87 - 40.16 in |
| Stuff Sack Size |
8 x 13 in / 20 x 33 cm
|
| Weight |
2.35 lbs / 1.06 kg
|

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Order now for a lightweight mummy sleeping bag. Kelty's Cosmic Ultra 20°F Sleeping Bag is a three-season superstar with 800 fill DriDown and a trapezoidal baffle construction for improved heat retention. The natural-fit foot box keeps feet happy, and a PFC-free water-repellent coating is better for the environment.
2025 CLOSEOUT
Specs
- Innovative trapezoidal baffle construction = thermal efficiency
- Premium lightweight 800 fill DriDown
- Environmental and health friendly C0 and PFC-free DWR fabrics
- Zippered internal stash pocket for headlamp, cell phone or actual… stash
- Buttery-soft and durable 20D Nylon shell and liner
- Zipper draft tube keeps warm air in while anti-snag zipper makes it easy to get in and out
- Natural fit spacious footbox = more room to wiggle your toes
- Comes with stuff sack for quick departures
| Shape | Mummy |
| Temp Rating | 20.0°F / -7.0°C |
| Fill | 800DP Dridown |
| Fill Weight |
15.17 oz / 430.0 g |
| Shell and Lining |
20D 400T Nylon |
| Length |
77.95" / 198.0 cm |
| Fits To |
72.05" / 183.0 cm |
| Dimensions (shoulder-hip-foot) |
158 - 147 - 102 cm / 62.2 - 57.87 - 40.16 in |
| Stuff Sack Size |
8 x 13 in / 20 x 33 cm
|
| Weight |
2.35 lbs / 1.06 kg
|























