This year round bivvy sack is ideal as a light weight replacement for your sleeping bag when temperatures are above 50F/9C and an excellent emergency survival shelter for winter time activities. The new bivvy design is tapered from the foot to the head to reduce weight and improve efficiency of heat retention. It has a thermo-regulated design with foot vent which allows you to close the bivvy to keep heat in or open up the side and top to let heat and moisture escape. Weight: 6.9 oz Size: 36" x 84" IDEAL USES Backcountry Skiing Emergency Shelter Snowmobiling Summer Sleeping Bag Summit Attempts FEATURES Reflects up to 80% of radiated body heat Thermo-Lite non-woven fabric is waterproof and windproof. Ultralight, warm weather sleep system to 50F Ultralight stuff sack allows you to store the bivvy before or after use.
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