Two 5-part military modular sleep system sleeping bags. Each contains 2 compression sacks, 2 sleeping bags, and 1 Gore-Tex bivy. Digital camo in color. Good condition. Sold together. The Improved 5-Part ACU Sleep System is constructed to insulate the user in environments ranging from mild weather to extremely cold weather. The system consists of two Mummy-style sleeping bags, the Patrol (Foliage) and the Intermediate Cold Weather (Urban Grey). Each are constructed of water-resistant, rip-stop nylon. Each sleeping bag is fully functional independently. For a temperature to -30°, insert the Intermediate Cold Weather bag inside the Patrol bag. Each bag is compatible with the vapor permeable Gore-Tex ACU bivy cover. When all 3 components are used together the system is rated to provide 4 hours sleep at -40°F. Non-flammable and machine washable. Also includes (2) Stuff Sack / Compression Sacks: (1) Size Large and (1) Size Small.