3-inch-thick ultralight air mattress trusted by alpinists and mountaineers looking for extra warmth and durability in the backcountry Reflective ThermaCapture technology traps radiant heat while the Triangular Core Matrix construction minimizes convective heat loss providing a 7.3 R-value, ideal for extreme conditions Foam-free NeoAir design weighs just 15.5 oz (440 g) in size Regular and is super-packable, rolling up as small as a conventional 1-liter bottle 70D ripstop nylon bottom is incredibly durable and resists punctures, withstanding the wear and tear of extended expedition use Equipped with a dependable and rugged WingLock valve that is easy to use in freezing conditions and provides easy inflation and lightning-fast deflation Stuff sack utilizes a PFAS-free DWR coating that is better for the environment and still keeps your gear dry Regular dimensions: 20 x 72 in (51 x 183 cm). Weight: 15.5 oz (440 g). Includes pump sack, stuff sack, and patch kit. USA built of the finest US and global materials