The NeoAir XLite NXT MAX is the finest full-rectangular ultralight air sleeping pad for year-round backcountry adventures. By refining the way our cutting-edge construction technique, the Triangular Core Matrix, integrates with the warmth radiating ThermaCapture technology we reduced the noise by 83% from the previous model. At 3-inches thick, with a horizontal baffled structure and the added sleep surface of a rectangular shape, the XLite NXT MAX delivers maximum comfort and support at a minimal weight and packed size. Weighing just 540 g (19 oz)in the Regular Wide sizeand providing a 4-season ready 4.5 R-value, the XLite NXT MAX is the most versatile full-rectangular ultralight sleeping pad on the market ready to craft better nights under the stars wherever you end up.