Thermarest Camp & Hike Neoair Xtherm Max Sleeping Pad Vapor Regular 13253. The unrivaled Triangular Core Matrix offers the best warmth-to-weight ratio of any air sleeping pad construction. The construction gives the 2.5 inch (6.4 cm) thick pad superior stability boasting the most inches of weld for maximum camp comfort. The packable pad boasts a 6.9 R-value allowing users to take it into the most extreme conditions. With the classic XTherm construction in a rectangular shape the XTherm MAX features the high-performance WingLock valve allowing the pad to inflate three times faster thanks to a larger opening and one-way inflation. Like all Therm-a-Rest pads the NeoAir XTherm MAX is made in market to ensure quality and minimize environmental impact. The pad includes a breath-saving pump sack compact stuff sack and field repair kit.