Gear
Western Mountaineering Puma GWS
Windy, snowy winter camps and cold mountaineering
Expert reviewed
Topic summary
Windy, snowy winter camps and cold mountaineering
Key takeaways
- 850+ fill-power down
- GORE WINDSTOPPER shell
- expedition mummy cut
- Exceptional materials, conservative design and a weather-resistant shell make it a highly trustworthy -25°F option.
Verification notes
Evidence: expert reviewed. Last verified July 16, 2026.
Editorial take
Western Mountaineering Puma GWS is a cold-weather sleeping bag with an advertised -25°F rating and 850+ fill-power down; GORE WINDSTOPPER shell; expedition mummy cut. It is best suited to windy, snowy winter camps and cold mountaineering.
Not ideal for
- Very expensive and heavier than breathable-shell versions.
Loading…
Verified specifications
- Key features
- 850+ fill-power down
- GORE WINDSTOPPER shell
- expedition mummy cut
Warranty and repair information: contact Western Mountaineering directly for the most current terms.
Related
Related skills
Related field guides
Related adventures
Loading field test report…
Loading reviews…
Data sources & verification
- Last verified: 7/16/2026