Western Mountaineering
Bison Gws
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Manufacturer list price (MSRP) — 60-180-cm / left
$1,400.00
Retailer prices change, so we show the manufacturer list price for each version and link out for you to check the current price.
Overview
Bison GWS – Gore Infinium™ Extreme Expedition Sleeping Bag Denali to Aconcagua to the Himalaya, the Bison GWS is built for the most extreme mountaineering conditions on Earth—places 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.
Specs
- Brand
- Western Mountaineering
- Weight
- not published by the manufacturer
- Temp rating
- -40°f (manufacturer rating)
- Fill
- 850+ power goose down
- Shape
- mummy (w/ full collar)
- Fill Material — Source: manufacturer · checked 2026-08-16
- Shape — Source: manufacturer · checked 2026-08-16
- Temperature Rating F — Source: manufacturer · checked 2026-08-16
Weight vs. category
100% lighter than the category average.
How it measures up
Against every one of the sleeping bags & quilts in the RidgeNote register with a published figure. Manufacturer-listed; sources and dates are on this page.
- Temperature rating
- -40 °F
- Lower than 98% of 47 rated
- median 20 °F
RidgeNote verdict
Similar — lighter or cheaper
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Manufacturer list price (MSRP)
from $1,400.00