These are the thickest warmest bags i ever had. [other "extreme cold weather" bags are thinner]. Heavy duty old school army sleeping bags. Previously issued us military issue extreme cold weather sleeping bag in od green. These sleeping bags are made of water-repellent poplin cotton outer shell with 80% down 20% polyester filling. They feature a 64in long zipper, offset stitching at the seams and a 3in storm flap with snaps over the zipper. Mummy style bags with a draw cord hood. These bags are 84 inches long, 30in wide at the top and 14in at the bottom and weigh 8lbs. They were issued from the 1970′s into the early 2000′s. These bags are previously issued and. Made in the u.The item “Made in USA USMC Army SUBZERO Extreme Cold Weather ECW Sleeping Bag w Hood -20F” is in sale since Friday, August 08, 2014. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Sleeping Gear\Sleeping Bags”. The seller is “usarmyboots” and is located in Nyack, New York. This item can be shipped worldwide.