Designed for ultralight backcountry adventures, the Big Agnes Zoom UL Insulated sleeping pad eliminates the need to compromise between comfort and weight savings. With a generous 4.3 R-Value for three-season use, sustainably sourced materials, and aviation-grade lamination for ultimate reliability, the Zoom UL provides great sleep in the backcountry, at an incredibly low weight. The Zoom UL is made with quieter material than other ultralight sleeping pads for a better night's rest.