Name: Bison GWS -40°C Sleeping Bag
Brand: Western Mountaineering
SKU: 210000060959
Price: 1983.95 CAD
Availability: InStock

$1,983.95 CAD

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Denali, Aconcagua, Himalaya… mountaineering in its extreme sense. These are places where mistakes cannot be made and so the Bison is most often chosen to serve.

Pattern

Left Zip

Right Zip

Size

180cm

200cm

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Details

Denali, Aconcagua, Himalaya… mountaineering in its extreme sense. These are places where mistakes cannot be made and so the Bison is most often chosen to serve. Gore Infinium™ fabric makes this bag impervious to the elements while remaining lightweight and very compressible. Crammed with 42 ounces of 850+ fill power down this bag has 10 abundant inches of heat trapping loft. Huge V-Block Side Baffles and horizontal baffles across your chest keep the down fill in place. Double Interlocking Draft Tubes and a down filled Gore Infinium™ collar seal in heat and security while howling winds surround your tent. The massive hood is not only well filled but is completely made with Gore Infinium™ fabric and has a large integral hood ruff to seal your face from the elements. The Bison is the crowning glory of Western Mountaineering and demonstrates our commitment to innovation and quality. This life saving bundle weighs in at a scant 4 lb. 10 oz.

Features

Filled with 850+ Fill Power ethically-sourced premium goose down
V-Block side baffles provides phenomenal down control and improves insulation in colder temperatures
Weather-resistant Gore Infinium shell protects against extreme wind and moisture, while maximizing inner breathability
Two Interlocking Draft Tubes seal the sleeping bag against cold wind and help retain inner temperature
Offset Insulated Double Draft Tubes.
Durable, abrasion-resistant footbox lining great for storing heavy boots & alpine equipment
Gore-Lined insulated external hood ruff seals the bag out from freezing temperatures while retaining internal heat
Comes with ultralight stuff sack and breathable mesh storage bag
4 lbs. 10 oz. Total Weight

Specifications

SHAPE: Mummy (w/ full collar)
WM TEMP RATING: -40°C
FILL: 850+ Power Goose Down
COLOR: Crimson/Black
COUNTRY OF ORIGIN: USA
FABRIC: Gore Windstopper
LOFT: 27 cm
INSIDE GIRTH (SHDR/HIP/FOOT):
- 180cm 163/140/99 cm
- 200cm 163/140/99 cm
FILL WEIGHT:
- 180cm 1190 g
- 200cm 1275 g
TOTAL WEIGHT:
- 180cm 2095 g
- 200cm 2180 g
STUFF SIZE:
- 180cm 28 x 55 cm XXL
- 200cm 28 x 55 cm XXL

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General Info
Shape	Mummy
Fill Type	Down Insulation
Fabric Material	Fabric: Gore Windstopper
Insulation	850+ Fill Power Hypoallergenic Goose Down
Sustainability	Certified Bluesign, Certified Responsible Down, Certified OEKO-TEX, and PFAS Free Water Repellency
Made In	USA
Metric Measurements
Temperature (°C)	-40 °C
Weight	2095 g (180 cm) 2180 g (200 cm)
Fill Weight	1190 g (180 cm) 1275 g (200 cm)
Max. User Height	180 cm (6'0") 200 cm (6'6")
Girth	163 / 140 / 99 cm (180 cm) 163 / 140 / 99 cm (200 cm)
Packed Size	28 x 55 cm

Bison GWS -40°C Sleeping Bag

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