Thermarest NeoAir XTherm NXT Sleeping mat

Warmest sleeping mat in its class: Triangular Core Matrix(TM) construction and ThermaCapture(TM) technology produce an R-value of 7.3 with low weight and volume. Quieter than its predecessors. Ultra-light: 439g (15.5 in) generates heat without the weight otherwise necessary in extreme cold. PREMIUM COMFORT: Exceptionally high support and comfort at 7.5 cm (3 in) thick. Especially small pack size: comparable to the volume of a 1 litre bottle Durable: 70D nylon backing material, which is particularly tear-resistant and durable. Thus, the bottom is very durable. EASY TO INFLATE AND DEFLATE - The WingLock(TM) valve is easy to use. When inflated, the air flows in only one direction, and the large amount of air makes it easier to inflate and deflate With pump bag, pack sack and repair kit Dimensions: R: 51 x 183 cm, 7.5 cm high, 439 g / RW: 64 x 183 cm, 7.5 cm high, 553 g / L: 64 x 196 cm, 7.5 cm high, 567 g