Insulated air mat for winter conditions. Built with heat reflective TILT technology and 100% recycled insulation, this thick, high-comfort sleep mat is engineered to insulate alpinists, mountaineers and explorers in hostile environments. 20D Recycled Polyester outer fabric with internal TPU Coating and fluorocarbon free DWR Stratus R 100% recycled polyester 200gsm insulation with TILT Stratus R insulation traps air and reduces heat loss from convective currents TILT reflective film within the insulation helps reduce radiant heat loss R-Value: 5.5 Thickness: 8cm Lightweight construction uses air and insulation for superb warmth-toweight ratio and minimal pack-size Weight: 580 g