Therm-a-Rest NeoAir XTherm Sleeping Pad WingLock ThermaCapture Valve RegularMeet the NeoAir XTherm NXT Sleeping Pad, built for extreme cold and serious adventures. This pad delivers elite warmth with an ultralight build. It suits alpine routes, winter camping, and mountaineering trips where every gram matters. First, warmth stands out. The pad reaches an R value of 7. 3, which supports true four season use. Therm a Rest achieves this with advanced insulation technology. The Triangular Core Matrix traps heat efficiently. The