US Military Extreme Cold Weather Sleep System Very Rare. Nylon shell and lining. Continuous filament polyester insulation (Polarguard, now called Climashield). Thick draft collars at the neck and zipper. THE EXTREME COLD WEATHER SLEEPING BAG IS THICK AND LOFTY AND FEATURES A DRAWSTRING CLOSURE HOOD AND INSULATED NECK BAFFLE. A FULL LENGTH HEAVY DUTY SIDE ZIPPER WITH ANTI SNAG GUARD AND INSULATED DRAFT TUBE; BOX TOE AREA. SNAPS ON THE OUTSIDE TO ATTACH THE GORE-TEX BIVY COVER SECURELY. THE OUTSIDE TOP OF THE EXTREME COLD WEATHER BAG HAS LARGE STAMP LETTERS READING EXTREME COLD WEATHER. THE GORE-TEX BIVY COVER FEATURES A DRAWSTRING HOOD AND SNAPS TO ATTACH IT TO THE EXTREME COLD WEATHER SLEEPING BAG. IT ALSO FEATURES A GENEROUS VELCRO CLOSURE POCKET FOR STORING ITEMS FOR QUICK ACCESS. THE TOP OUTSIDE HAS A LARGE US STAMP. A TAG WITH CARE AND USE INSTRUCTIONS IS SEWN INSIDE THE EXTREME COLD WEATHER SLEEPING BAG. THERE ARE CARE AND USE INSTRUCTIONS SEWN INSIDE THE EXTREME COLD SLEEP HOOD. The a single mummy bag is equal in weight and warmth to the black and green bags that come with the newer 4 piece system. The extreme cold weather mummy sleeping bag rated at +30 to -10°F. Accessories included are a compression storage bag, Bag and compression sack total System weight is 10 lbs. The item “Extreme Cold Weather Military Army SUBZERO Sleeping Bag + Bivy Cover Waterproof” is in sale since Tuesday, January 29, 2019. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags”. The seller is “lardragoon” and is located in Anderson, South Carolina. This item can be shipped worldwide.