GI 5 Piece Intermediate Modular Sleep System (IMSS)— ACU

The US Military Improved ACU Modular Sleep System (MSS) is a sleeping bag system 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 is constructed of water-resistant, ripstop 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 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. Made in the USA by Tennier Industries. PATROL BAG FEATURES:  Temperature to +30° Water-resistant, ripstop nylon Reversible double-pull (opens end to end) slider allows top or bottom ventilation Non-locking slide fastener self-repairs if jammed or snagged Draft flap prevents heat loss Hood adjusts for he