The Therm-a-Rest Neo Air 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 & this REGULAR version is amazingly compact & ultralight & offers exceptional warmth-to-weight ratio making it ideal for backpackers hikers climbers & explorers This Therm-a-Rest mat has Therma Capture 8482 reflective layers & a Triangular Core Matrix 8482 construction to minimise heat loss & to offer astounding warmth & an unrivalled level of stability & comfort so you can get a restful night s sleep The Neo Air 8482 XLite 8482 is made from low-bulk materials making mattress the most compact Neo Air mattress ever & durable fabrics & a tapered design make this Neo Air mattress almost 15 lighter than the original So with all this wonderful technology & design behind it it is easy to see why this mat is the bestselling ultralight sleeping mat in the world