2633 Spenard Rd. Anchorage, AK 99503 - 907-272-1811

Western Mountaineering Bison WindStopper

The lightest expedition temperature bag on the market, this bag is feather-soft liquid lava in a small package. When the only constant is constant cold, count on 42oz of 850+ down and the best lightweight fabrics to keep the cold out and the warmth in.
Article number: Bison WS-6'
Availability: Out of stock

Weight is 4 lb 10 in (6'/180 cm)

Temperature rating is -40 degrees Fahrenheit (-32 Celsius)

Available in three lengths: 5' 6", 6' and 6' 6" (165, 180 and 200cm)

10.5" (24cm) of loft using 850+ fill power goose down

V-Block side baffle system keeps the down exactly where you need it

Wide 6" baffle spacing

42oz (1190g) of down fill (6'/180cm length)

Inside dimensions are 64"/55"/39" (163/140/99 cm)

Added width for comfort and layering

Stuff size is 11"x22" (6'/180cm length)

XX-Large stuff sack size

Gore Fabrics WINDSTOPPER fabric for extreme conditions

Full wrap-around down-filled collar to seal out the cold

Roomy GWS hood fabric with cord lock cinch

Footbox reinforcement for internal gear storage

Full-length durable #5 YKK zipper

Full-length MicroLite XP sealed draft tube along the zipper

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