The therm a rest neoair xlite air mattress is an incredibly high performance compact and ultralight mattress that offers exceptional warmth to weight ratio making it ideal for hikers climbers and explorers the neoair xlite offers astounding warmth to weight ratio thanks to its thermacapture reflective layers and the triangular core matrix construction works to minimise heat loss thanks to its two stacked layers of triangular baffles and at the same time offers an unrivalled level of stability an