Light and compact three season padsBuilt-in advanced heat reflective technologyAntimicrobial treatment inside the pad prevents microorganism growthMinimalist I-Beam construction reduces weight and provides consistent stability and comfortLarger outer chambers keep you comfortably cradled in the middle of the padWRM HL - Ideal for sleeping pads this durable high-loft synthetic insulation provides exceptional warmth with minimal weight and bulkNew double rip-stop improves tear strength and durability by 25 percentAviation grade TPU lamination technology for ultimate durabilityHigh volume valve allows for efficient and easy inflation and super-fast deflationOne way inflation valve with micro air pressure adjust buttonQuick deflation valve