Made for the us military with superior materials and workmanship. Not a cheap inferior imitation! Made in the usa. Genuine us military 4 piece modular sleep system. Original cost is $399 to $599. Modular sleep system (mss) is a modular sleeping bag system used by the united. The mss consists of 4 individual components the make up. The complete mss modular sleep system. The 4 piece system is made up of the following. Camouflaged, waterproof, breathable gore-tex bivy cover. A lightweight olive drab green patrol sleeping bag. A black intermediate cold weather sleeping bag. And a compression stuff sack is included to store and carry the. The green patrol bag provides cold weather protection from 35° to. The black intermediate bag provides cold weather protection. From minus 5° to 35° fahrenheit. When used together, the patrol bag and. Intermediate bags provide extreme cold weather protection in temperatures as. Low as minus 40° fahrenheit when used with ecwcs. The bivy cover can be used. With each of three mss configurations green patrol, black intermediate, or. Combined to be compatable with the environment in which the system is being. The bivy cover provides environmental protection from wind and water. Sleeping bags are made of ripstop nylon fabric and continuous filament. The woodland camouflage bivy cover is made with. Waterproof, breathable, coated or laminated nylon fabric called gore-tex. Compression sack is made with water-resistant, durable nylon fabric. Military issue modular sleep system (mss). They are mummy-style sleeping bags and include the olive drab. Green patrol bag, black intermediate sleeping bag, woodland camo gore-tex bivy. Cover, and black compression stuff sack. This is a great. Each bag can be used independently for warmer weather or. Joined together for colder weather. Use separately as fully functional. Independent sleeping bags, or combine together for maximum warmth and comfort! When all 3 bags are combined and fastened together, the sleep system is -40° when used with the ecwcs! Components are genuine military issue from government stock. The bivy cover is made of durable. Waterproof 3 layer gore-tex fabric. Material – goretex 3 layer waterproof. Nsn number – 8465-01-416-8517. Rated for temperatures to +30°. Reversible double pull slider which allows the top or bottom to aerate. Non-locking slide fastener self repairs if jammed or snagged. Adjusts for heat retention. Rated for temperatures to -10°. Twice the insulation as the rest of the bag to keep feet toasty warm. Quilted chest collar prevents air drafts. Hood also adjusts for heat retention. Material – water resistant, rip-stop nylon. Nsn number – 8465-01-398-0687. Compressible to one cubic foot. Drawcord closure with a barrel lock. Woodland camouflage bivy cover (waterproof) -. Measures 76″ x 35″ to 76″ x 23″. Black intermediate cold weather sleeping bag – measures 87″ x 35 1/2″. Green patrol sleeping bag – measures 92″37″ x 24. Black compression stuff sack – measures flat = 29″ long, 19″ wide /. Stuffed = 29″ long / 12″ diameter. Retail value new $399.99-$599.99.The item “USMC US Military 4 Piece Modular Sleeping Bag Sleep System With GORETEX Bivy NEW” is in sale since Friday, April 17, 2015. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Sleeping Gear\Sleeping Bags”. The seller is “garenelston2011″ and is located in Roseburg, Oregon. This item can be shipped worldwide.