Western Mountaineering Bison WindStopper
$1,150.00
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.
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