Constructed of Paratex Micro and Light fabric. Softie filling with Reflectatherm. Designed for movement and accommodation, with the option of using the unique baffle system, or built in expanda panel, to allow more space when required. When not required the stretchy portion zips away to make a jumbo zip baffle. Supplied with a stuff compression sack that allows addition of a SNUGPAK sleeping bag liner or bivvi. Military olive green. Temperature rating: Comfort 41 degrees, Low 32 degrees. Weighs 28 oz. Pack size: 6'' x 6''. Snugpak products are currently in use with the British, USA and Australian Armed Forces.