Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers, 550 Fill Power, Recycled Fabrics with PFAS-Free DWR, Designed in Sunny Colorado, USA, 2024 Model (Long)
- Recycled Nylon and Recycled Polyester Taffeta
- Imported
- A KELTY CLASSIC: The cosmic 20 has long been a staple of Kelty’s backpacking lineup and a favorite of campers worldwide with 550 FP compress…
- PFAS FREE AS IT SHOULD BE: None of that toxic stuff here – Recycled nylon and polyester taffeta shell and liner fabrics to keep even more ou…
- SUSTAINABLE + TRACEABLE DOWN: Did we mention all our down is 100% ethically sourced and traceable via RDS? Info on product tag to trace each…
Mubboo Value Score: 3.2/10
How it stacks up
Rated 4.7/5 — better than 94% of 110 Sleeping Bags we track. Premium-tier pricing at $207.46.
Head-to-Head vs Category Leader
| Kelty | HAWAJOK (Leader) | |
|---|---|---|
| Price | $207.46 | $27.99 |
| Rating | 4.7/5 | 5.0/5 |
| Reviews | 253 | 18 |
| Mubboo Score | 3.2/10 | 6.1/10 |
The category leader HAWAJOK Camping Sleeping Pad, Inflatable Camping offers better ratings at $27.99.
Quick Specs
- Size
- Long
- Color
- Dark Blue
- Shape
- Mummy
- Sport
- Camping & Hiking, Backpacking
- Seasons
- 3 Seasons
- Material
- Nylon, PFC-free DWR, [lining] 50D polyester
- Occupancy
- 1 Person
- Sport Type
- Camping & Hiking, Backpacking
What reviewers say
Synthesized from 40 reviews · 100% verified purchases.
Check inflatable pad valves for leaks before trips. Be prepared for sleeping bag zippers that may snag and a potentially too-warm interior; a liner can help with stickiness.
Rating reliability
About Kelty
- 27 products in our database
- Average rating: 4.5/5 across all products
- Price range: $34.94 – $399.95
- Categories: Baby Carriers, Camping Chairs, Camping Tents, Hammocks, Hiking Backpacks, Mattresses
Other Sleeping Bags
Frequently Asked Questions
Is the Kelty Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers worth buying in 2026?
It earns a Mubboo Score of 3.2/10, with a 4.7/5 rating from 253 reviews — better than 94% of Sleeping Bags we track.
How much does the Kelty Kelty Cosmic 20 Down Mummy Sleeping Bag cost?
It is currently $207.46 — premium-tier pricing for Sleeping Bags.
How does it compare to the top-rated Sleeping Bags?
The category leader HAWAJOK Camping Sleeping Pad, Inflatable Camping offers better ratings at $27.99.
Sources & References
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