NEW OLD STOCK IN GOVT BOX! Extreme Cold Weather Sleep System. Very rare and hard to find these outside the US MILITARY. Rated for -20 F. Snap together to make a very warm set. Mummy style in woodland CAMOUFLAGE. Extreme Cold Weather Sleeping. Mummy style with drawstring hood. Sleeping Hood fleece lined. Operational Characteristics: The ECWSS will provide the. With a LIGHT WEIGHT, 100. Percent synthetic sleeping system to provide protection in the climatic RANGE. Of -20 of to +40. The system consists of five items: Sleeping. Bivy cover, synthetic fiber pile hood and sock set. Physical Characteristics: Length: 83 in, Width: 35 in, Weight: 8 lbs 11 oz. The item “USGI EXTREME COLD WEATHER SLEEPING BAG SYSTEM GORETEX BIVY HOOD BOOTS STUFF SACK” is in sale since Thursday, November 1, 2018. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags”. The seller is “wwsurplus” and is located in Shippensburg, Pennsylvania. This item can be shipped to United States.