















🛶 Sleep Warm, Tread Light: The Cosmic 20 is your eco-friendly passport to next-level backpacking comfort.
The Kelty Cosmic 20 Down Mummy Sleeping Bag combines 550 fill power ethically sourced down with recycled shell and liner fabrics treated with PFAS-free durable water repellent. Designed for 3-season backpacking, it offers a temperature rating down to 21°F, lightweight portability at just over 2 lbs, and comes in three sizes to fit adventurers up to 6'6". With a heritage rooted in Colorado since 1952 and backed by a limited lifetime warranty, this sleeping bag delivers sustainable warmth and trusted performance for the modern outdoor enthusiast.



| Brand | Kelty |
| Color | Dark Blue |
| Occupancy | 1 Person |
| Shape | Mummy |
| Seasons | 3 Seasons |
| Temperature Rating | 20 Degrees |
| Age Range (Description) | Adult |
| Sport | Camping & Hiking, Backpacking |
| Special Feature | RDS Certified Down, Highly Compressible and Lightweight, Recycled Shell + Liner Fabrics |
| Material | PFC-free DWR, [shell] 20D nylon |
| Fill Material | Down |
| Product Dimensions | 78"L x 30"W |
| Closure Type | Zipper |
| Outer Material | Recycled 20D Nylon Taffeta |
| Fabric Type | Recycled Nylon and Recycled Polyester Taffeta |
| Size | Regular |
| Maximum Height Recommendation | 72 Inches |
| UPC | 727880887513 |
| Item Package Dimensions L x W x H | 12.5 x 8 x 7.5 inches |
| Package Weight | 1.16 Kilograms |
| Item Dimensions LxWxH | 78 x 30 x 3 inches |
| Brand Name | Kelty |
| Warranty Description | Kelty Limited Lifetime Waranty |
| Model Name | Cosmic Down Mummy |
| Suggested Users | unisex-adult |
| Manufacturer | Kelty |
| Part Number | 35413724RR |
| Model Year | 2024 |
| Style | Updated Version |
| Included Components | Kelty Cosmic 20 Sleeping Bag, Kelty Limited Lifetime Warranty, Stuff Sack |
| Fill Material Type | Down |
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