Traverse Core Extra-Wide Sleeping PadDesigned for ultimate comfort and support, this pad features an extra thick 3. 5" (8. 9 cm) insulation layer. The longitudinal air core structure offers superior stability compared to traditional vertical designs, thanks to its increased number of individual air chamberseliminating unwanted noise. Built with Infrared Reflective Technology, it provides added warmth in cold conditions, making it an excellent choice for sleeping on snow covered ground.