Introducing the Therm-a-Rest NeoAir XLite Sleeping Pad - Large, an ultralight pad designed for world-class comfort and portability. The NeoAir XLite incorporates ThermaCapture and Triangular Core Matrix technologies, working together to retain radiant heat and cut down on heat loss. The WingLock valve's unique high airflow feature allows you to quickly inflate and deflate your pad. Measuring 2.5 inches thick, this pad's baffled internal structure results in exquisite comfort and support. Designed for effortless packing, the NeoAir XLite is made with low-bulk materials and weighs only 1 pound.