The Western Mountaineering Bison Gore Windstopper Sleeping Bag is constructed to provide complete protection from the elements in temperatures as low as -40 degrees Fahrenheit. Using Gore Windstopper fabric, the Bison is impervious to wind and water while remaining compressible and lightweight at 4 lbs, 10 oz. Filled with 42 oz of 850+ fill power down, this alpine sleeping bag provides 10 inches of heat saving loft. Western Mountaineering uses oversized V-Block Side Baffles on the Bison sleeping bag to keep the down fill in place, and the Double Interlocking Draft Tubes and Gore Windstopper collar with Hood Ruff will keep your body heat sealed in. The Western Mountaineering Bison Gore Windstopper Sleeping Bag proves the brand's commitment to innovation and quality and provides a sleeping bag that can truly become a life saver in harsh winds and freezing temperatures. Bonus Feature? All Western Mountaineering sleeping bags are made right here in the USA.
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