US Extreme Cold Sleeping Bag Original US Military Extreme Cold Weather System (ECWS) sleeping bag system made for US forces exposed to extreme weather. Gore-Tex waterproof cover in woodland camo is treated to be invisible to infrared light. making this bag so high tech the Government does not allow sales to the public. Extra warm with two separate sleeping bags that snap together and nest inside each other for versatility and extra warmth, each bag is rated to 20 and 30 degrees, combined they keep you warm in sub-zero temperatures, complete with US Spec compression sack reduce bulk, used in excellent condition and very limited supplies.
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