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. Features: - R-Value: 4.3, ideal for extended three-season use - The lightest insulated air pad from Big Agnes - 3.25” thick pad with 3.5” larger outer chambers keep you comfortably cradled in the middle of the pad - 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 we recommend adding a closed cell foam pad - Includes pad inflation sack, protective storage sack, replacement valve seal, and 3M repair patches