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Bison Gore Infinium
Western Mountaineering
Bison Gore Infinium
$1,270.00 - $1,310.00
Description

　　Western's warmest bag at -40° F; windproof and highly water-resistant.

　　Denali, Aconcagua, the Himalaya... mountaineering in the extreme. These are places where the margin for error is zero, and so the Western Mountaineering Bison Gore Infinium sleeping bag is most often chosen to serve. A full Gore Infinium shell makes this bag windproof and virtually waterproof while remaining lightweight and surprisingly compressible. Stuffed with over 40 ounces of 850+ fill down, the Bison has 10 massive inches of heat-trapping loft. Huge V-Block Side Baffles and horizontal baffles across your chest keep the down fill in place, and double Interlocking Draft Tubes and a down-filled Gore Infinium collar seal in heat while howling winds surround your tent. The huge hood is not only well-filled but is completely made with Gore Infinium and has a large ruff to seal your face from the elements. The Bison is the crowning glory of Western Mountaineering and demonstrates their commitment to innovation and quality. This life-saving bundle weighs in under 5 lbs and is the warmest bag you'll find anywhere.

　　Like all of Western Mountaineering's bags, the Bison down sleeping bag is made by hand in San Jose, California. Their down is sourced from free-range mother geese who are never live-plucked or force-fed.

　　The GORE-TEX INFINIUM™ WINDSTOPPER® series enhances quality and performance, combining versatile aspects of support and comfort without the need for total waterproof protection. Durable water resistance combined with increased breathability, better packability, and optimized lightweight elements are the defining features of this technology. GORE-TEX INFINIUM™ WINDSTOPPER® is totally windproof and provides highly water-resistant protection for unstoppable performance.

Footprint sold separately.
Description
Brand Name:
Western Mountaineering
Gender:
Unisex
Color:
Crimson / Black
Bag Style:
Mummy
Seasonal Usage:
Four Season
Temp Rating:
-40º F
Temp Rating Celsius:
-40° C
Insulation:
850+ Fill Down
Bag Shell Material:
GORE-TEX INFINIUM™ WINDSTOPPER®: windproof, virtually waterproof, and breathable
Bag Loft:
10 inches
Weight:
Reg: 4 lbs 10 oz / Long: 4 lbs 13 oz
Fill Weight:
Reg: 42 oz / Long: 45 oz
Bag Length:
Reg: 6 ft / Long: 6 ft 6 in
Circumference at Chest:
Reg / Long: 64 in
Circumference at Hips:
Reg / Long: 55 in
Circumference at Foot:
Reg / Long: 39 in
Bag Stuff Size:
11 x 22 in
Made In:
USA
Other Features:
  • Full Gore Infinium down-filled Super Collar completely surrounds your neck for maximum heat retention
  • Two interlocking Gore Infinium oversized down draft tubes mean zero cold spots along the zipper
  • Footbox made of abrasion-resistant taffeta, a more durable fabric woven with heavier yarns so the inside of your bag is protected when you store gear or boot liners at the foot of your bag
  • Stiffening tape along zipper to prevent snags
  • V-Block Side Baffles keep the loft where it belongs
  • Insulated External Hood Ruff
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Description
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