Description For a minimal pack size and maximum performance, the latest version of the NeoAir® XLite™ continues to offer the gold standard in lightweight sleeping comfort.  Built to be thicker, warmer, and quieter, all without adding any weight to the original XLite, Therm-a-rest have refined the way their cutting-edge construction technique, the Triangular Core Matrix™, integrates with the warmth radiating ThermaCapture™ technology to reduce the noise by 83% from the previous model and at 3-inches thick, with a horizontal baffled structure and a R-Value of 4.5 this pad will is a solid addition to your on-mountain sleep system.   Further details HERE.   Regular Regular-Wide Large R-Value: 4.5 4.5 4.5 Length: 72″ 72″ 77″ Width: 20″ 25″ 25″ Thickness: 3″ 3″ 3″ Weight: 12.5oz 1lb 1lb 1oz Packed dimension: 9″ x 4.1″ 11″ x 4.6″ 11″ x 4.6″