Bison GWS Expedition -40°C Sleeping Bag underwear Reflective accents on shoulder straps

Reflective accents on shoulder straps and front panel

low profile carry system

14mm loading surface for increased wear resistance

and Will Gadd

Bison GWS Expedition -40°C Sleeping Bag underwear Reflective accents on shoulder strapsFrom Denali to Aconcagua to the Himalaya, the Bison GWS is built for the most extreme mountaineering conditions on Earthplaces where failure is not an option. Trusted by professional climbers and polar explorers, this bag delivers life saving warmth and protection in the coldest, harshest environments imaginable. With 42 oz. of premium 850+ fill power ethically sourced goose down, the Bison GWS achieves an incredible 10 inches of loft and a 40F ( 40C)