US Army USGI Five Piece Improved Modular Sleep System. Size note / helpful tidbit: I have been able to compress the system complete down to 12″ x 12″. All photos are stock examples the item will be used good condition. The US Army Improved 5 Piece ACU Digital Sleep System 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. There is the Patrol (Foliage Green) and the Intermediate Cold Weather (Urban Grey). Each bag is constructed of water-resistant ripstop nylon. Each bag is fully functional independently in temperate condition, or used together for colder condition. 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. This 5 piece system includes both the small and large compression stuff sack. Non-flammable and machine washable. 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 heat retention; includes nylon drawcord and barrel lock. INTERMEDIATE COLD WEATHER BAG FEATURES. Water resistant, ripstop nylon. Free from cold spots. Insulation does not migrate in the bag. Anatomically designed foot box contains twice the insulation as the bag. Sewn-in, quilted chest collar prevents air drafts up and down through the hood. Hood adjusts for heat retention; includes nylon draw cord and barrel lock. Waterproof and windproof 3-layer laminant fabric. Includes snap fastener and slide fastener. ACU Digital Camo Pattern. STUFF SACK FEATURES: Large and Small. Compressible to one cubic foot. 1-wide nylon webbing straps adjust by ladder lock buckles. Reinforcement webbing is sewn around the circumference of the bag. Nylon draw cord closure with a barrel lock. Made in the USA. The item “Sleep System 5 Piece Modular ACU Camo USGI Sleeping Bag Camping used good cond” is in sale since Sunday, December 10, 2017. This item is in the category “Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Personal, Field Gear\Other Current Field Gear”. The seller is “margoo851″ and is located in Brandon, Florida. This item can be shipped to United States.