Bison StormShield Sleeping Bag
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Why We Like The Western Mountaineering Bison StormShield Sleeping Bag
When pushing for a serious, grit-testing summit, a good night's sleep is one of many things that can set us up for success. The Western Mountaineering Bison StormShield Sleeping Bag helps us get those restorative Zs despite the mountain's howling winds and icy temps. The featherweight construction with 850+ fill down can compress to stash away in a pack when making our way to the upper base camp. When we crawl inside this bag at the end of the day, the breathable GORE-TEX INFINIUM fabric shuts out condensation to protect the lofty insulation, ensuring no cold spots form, while the V-Block side baffles, interlocking draft tubes, and the hood's integral ruff stop numbing temps from finding another way inside. Lined with an abrasion-resistant material, the footbox stashes our boots, so our toes can start the day off cozy.
Details
- Toasty sleeping bag for braving cold and snowy alpine missions
- Rated for -40°F temperatures to keep you cozy in harsh conditions
- GORE-TEX INFINIUM fabric is windproof and highly water resistant
- Lofty down insulation traps heat and is compressible for compact stashing
- Draft collar and offset tubes stop cold air from seeping inside
- Mummy shape provides efficient heat retention
- Full-length, two-way side zipper offers ventilation
- Item #WESZ03P
- Material
- GORE-TEX INFINIUM
- Insulation
- 850+ fill ethically-sourced goose down
- Shape
- mummy
- Zipper
- full-length, two-way
- Max User Height
- 6ft 6in
- Shoulder Circumference
- 64in
- Hip Circumference
- 55in
- Foot Circumference
- 39in
- Bag Length
- 78.7in
- Draft Tube
- yes
- Venting
- two-way zipper
- Fill Weight
- 45g
- Degree
- -40°F
- Storage Sack
- mesh
- Stuff Sack
- ultralight
- Stuff Size
- 11 x 12in
- Claimed Weight
- 4lb 1.6oz
- Activity
- mountaineering
- Manufacturer Warranty
- lifetime
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