When it comes to superlight, three-season comfort, the Rapide SL Insulated Sleeping Pad stands alone. Built with offset I-Beam construction, this proprietary design reduces weight while providing multi-directional support for consistent stability and comfort. This superlight air chamber pad sleeps warmer using PrimaLoft Silver Insulation and is third party rated with an R-Value of 4.2 for use through three-seasons. The Rapide SL Insulated is lighter, tougher, more packable, easy to inflate/deflate, and provides superior performance and packability for any adventure. Save your breath for the miles ahead and use the included pad inflation sack to inflate. Quilted top provides a cushioned pillowy sleeping surface Durable, superlight nylon double ripstop PrimaLoft Silver Insulation working with a heat reflective barrier traps body heat and reflects it back, so you stay comfortable as the temperatures drop Proprietary offset I-Beam construction reduces weight and provides consistent stability and comfort Aviation-grade TPU lamination provides ultimate weld strength and dependability Antimicrobial treatment inside the pad prevents microorganism growth Individually inflated and tested at our factory ensuring 100% quality performance High-volume valve allows for efficient and easy inflation, super-fast deflation, and micro adjustments Includes pad inflation sack, protective storage sack, replacement valve seal, and repair patches