Nemo TENSOR ALPINE Long Wide air mattress Spacious Very insulating Comfortable The TENSOR ALPINE air mattress by Nemo is now available at Speck-Sports. With the Tensor Alpine you make the choice of a mattress providing you a comfortable sleep for temperatures up to -29°C. This is made possible by its three Thermal Mirror aluminum layers that insulate from the ground while reflecting the heat released by the body. Thus, with an R-Value of 4.8, the Tensor Alpine is perfect for 4-season use. Its spaceframe baffle construction offers more stability and a quieter sleep while its 20D PU Polyester construction makes for a durable, compact and lightweight product. Its rectangular shape and 8cm thickness make it perfect for all your adventures. The Tensor Alpine is equipped with the Laylow valve which offers several advantages: effortless inflation thanks to the non-return system, pressure adjustment and very quick deflation. It is also sold with a Vortex pump-bag which makes inflation much easier and avoids the insertion of humidity inside, for more durability. Sold with repair kit, storage bag, Vortex pump bag. The TENSOR ALPINE inflatable mattress by Nemo is designed for the most extreme adventurers looking for a light, insulating and comfortable product.