When it comes to superlight, three-season comfort, the Rapide SL Insulated 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.