As the absolute lightest insulated air sleeping pad available, the NeoAir UberLite is the top choice for thru hikers and ounce counters, setting new standard for ultralight comfort for a handful of ounces. The unrivaled Triangular Core Matrix offers the best warmth-to-weight ratio of any air sleeping pad construction, creating a 2.3 R-value for a featherweight. The construction gives the 2.5 inch (6.4 cm) thick pad superior stability, boasting the most inches of weld for maximum camp comfort. Like all Therm-a-Rest pads, the NeoAir UberLite is made in market to ensure quality and minimize environmental impact.