Designed for ultralight backcountry adventures, the Zoom UL Insulated 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. This is the lightest insulated air pad from Big Agnes. Features R-Value: 4.3, ideal for extended three-season use 3.25" thick pad with 3.5" larger outer chambers keep you comfortably cradled in the middle of the pad GRS certified post-consumer recycled nylon ripstop for sustainable toughness you can rely on Two layers of heat reflective film to provide lightweight insulation O-beam internal construction minimizes weight and packed size while providing maximum stability and comfort Single port, dual-function valve allows for quick and easy inflation and micro adjustments for customizable firmness Individually inflated and tested at our factory ensuring 100% quality performance Antimicrobial treatment inside the pad prevents microorganism growth Aviation-grade TPU lamination technology provides ultimate weld strength and durability When sleeping on frozen ground or snow Big Agnes recommends adding a closed cell foam pad Includes pad inflation sack, protective storage sack, replacement valve seal, and 3M repair patches Specs Total Weight: 14oz R Value: 4.3 Packed Size: 4" x 8" Thickness: 3.5" Materials GRS certified post-consumer recycled nylon ripstop 2 layers of heat reflective film Pad inflation sack made of recycled pad material TPU lamination Forest Stewardship Council certified recyclable packaging