
Kelty Cosmic 40 Degree Synthetic Sleeping Bag
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- Overview Overview The intersection of lightweight and warm, the Kelty Cosmic 40 Degree Synthetic Sleeping Bag ensures your time on the trail is comfortable. This fully equipped 3-season mummy bag features synthetic ...
- Technical Specifications Technical Specifications
SKU: ASB_KYSCOSS40M-DuffleBag/Smoke-Regular
The intersection of lightweight and warm, the Kelty Cosmic 40 Degree Synthetic Sleeping Bag ensures your time on the trail is comfortable. This fully equipped 3-season mummy bag features synthetic CirroLoft insulation for lightweight, compressible warmth.
- CirroLoft synthetic insulation with soft as silk liner
- Natural fit spacious footbox means more room to wiggle your toes
- Environmental & health friendly PFC-Free DWR
- Included compression stuff sack makes for quick packing and easy portability
- Manufacturer limited lifetime warranty against manufacturing & material defects
Cirroloft insulation is 100% polyester, made with a mix of micro-denier solid and hollow fibers that help trap and reflect body heat, and provides a soft feel with high compression for packability.
Technical Specifications
ISO Comfort Rating | 37° (3°C) |
ISO Limit Rating | 27° (-3°C) |
ISO Extreme Rating | 15° (-9°C) |
Insulation | Synthetic Cirroloft (100% polyester/100% virgin fibers) |
Shell Material | 380T Nylon Taffeta |
Liner Material | 50D 300T polyester taffeta |






Size Chart
Kelty Cosmic 40 Degree Synthetic Sleeping Bag:
Size | Fits To | Length | Shoulder Width | Fill Weight | Total Weight | Stuffed Size |
Regular | 6' / 183 cm | 84” / 213 cm | 31" / 78.5 cm | 24 oz. / .68 kg | 2 lb. 6 oz. / 1.1 kg | 15" x 8.5" / 38 x 22 cm |