4 piece modular us military sleep system. In very good to excellent condition. Includes one intermediate bag, one patrol bag, on bivy cover, and one compression sack. The two bags and the bivy snaps together to give you a -30f temp rating. And bags and bivy fits into the compression sack for easy storage. This od green mummy-style sleeping bag is rated for temperatures down to 30 f. It features an oversized zipper for easy opening and closing, and snaps for connecting to the other sleep system components. It also features a draft flap over the zipper to prevent heat loss, as well as a drawstring cord around around the hood to seal in even more heat. Exterior dimensions, when laid flat. Width, at feet: 20. Width, at shoulders: 34. Intermediate cold weather sleeping bag. This black mummy-style sleeping bag is rated for temperatures down to -10 f. It also features a draft flap over the zipper to prevent heat loss, as well as a drawstring cord around the hood to seal in even more heat. Width, at feet: 18. Width, at shoulders: 33. The bivy cover is tan on the bottom and has a woodland camouflage pattern on the top. It is made with a 3-layer gore-tex fabric, making it fully waterproof. It has a zippered closure with snaps for connecting to the other sleep system components. It also features velcro fasteners around the hood which can be fastened to prevent openings during rainy or extremely cold weather. This black stuff sack has 9 nylon straps for compression.. All components of the sleep system will fit into this compression sack, and can be compressed down to 1 cubic foot.The item “US Military Issued 4 Piece Modular Sleep System withGORTEX Bivy sleeping bag” is in sale since Thursday, April 23, 2015. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Sleeping Gear\Sleeping Bags”. The seller is “13nikeos” and is located in Willis, Michigan. This item can be shipped worldwide.