The Therm-a-Rest NeoAir 8482 XLite 8482 Air Mattress is claimed to be the best selling ultralight air mattress in the world With more warmth per ounce than any other three-season mattress This air mattress is certainly offers an incredibly high performance and this REGULAR version is amazingly compact and ultralight and offers exceptional warmth-to-weight ratio making it ideal for backpackers hikers climbers and explorers This Therm-a-Rest mat has ThermaCapture 8482 reflective layers and a Triangular Core Matrix 8482 construction to minimise heat loss and to offer astounding warmth and an unrivalled level of stability and comfort so you can get a restful night s sleep The NeoAir 8482 XLite 8482 is made from low-bulk materials making mattress the most compact NeoAir mattress ever and durable fabrics and a tapered design make this NeoAir mattress almost 15 lighter than the original So with all this wonderful technology and design behind it it is easy to see why this mat is the bestselling ultralight sleeping mat in the world