The Big Agnes Rapide SL Insulated Tent Floor Pad is a large sleeping pad to cover the whole tent floor. Combine this sizeable pad with a two-person backpacking tent, and the whole floor is covered. Tapered to Fit most two-person tents, so you and your partner won't be slipping between the cracks and Are consistently sleeping on a cushioned, warm pad. The insulated pad just requires air for inflation, and includes a pad inflation sack. The R-value of 4.2 works best for three season adventures. Features of the Big Agnes Rapide SL Insulated Tent Floor Pad R-Value: 4.2, Three-Season Tapered design measures 50in. width at head, 40in. width at foot, 78in. length 3.5in. Thick pad with 4.25in. larger outer chambers keep you comfortably Cradled in the middle of the pad Quilted top provides a cushioned pillowy sleeping surface Durable, superlight double rip-stop nylon PrimaLoft Silver Insulation working with a heat reflective barrier traps body heat and reflects it back, so you stay comfortable as the temperatures drop Aviation-grade TPU lamination provides ultimate weld strength and dependability Quieter materials than other pads on the market Antimicrobial treatment inside the pad prevents microorganism growth IndiviDually inflated and tested at our factory ensuring 100% quality Performance Insulation PrimaLoft Silver Insulation Layer of heat reflective film Durable superlight nylon rip-stop fabric Double rip-stop improves tear strength and durability by 25% Aviation-grade TPU lamination Technology for ultimate dependability Two High-volume valves allows for efficient inflation, fast deflation and micro adjustments