Nap Pak Arctic R11 Inflating Sleeping Mat All Year 4 Season Winter Camping R Value 11 Insulated Alpine Pad 10cm Thick, Lightweight 900g, Compact Cold Weather Backpacking Use.

EXTREME COLD PROTECTION - R VALUE 11: Engineered for true winter conditions. With an ASTM-tested R value of 11, the Arctic R11 delivers serious insulation for sub-zero camping and snow conditions where standard mats fail. 10CM DEEP BAFFLE COMFORT: Thick 10cm construction with advanced internal baffle structure eliminates cold spots and ground pressure. Sleep warmer and more comfortably, even on frozen ground. 3-LAYER THERMAL REFLECTIVE INSULATION: Integrated aluminium film layers reflect body heat back to you, dramatically improving thermal retention compared to standard inflating mats. LIGHTWEIGHT FOR ITS CLASS - ONLY 900g: High-performance winter insulation without excessive bulk. Weighing just 900g and packing down to 28 × 14cm, it’s built for serious backpackers and mountaineers. DURABLE 380T 20D NYLON + DUAL TPU VALVE: Hard-wearing outer shell resists abrasion in harsh terrain. Dual-layer TPU valve enables fast inflation, deflation and micro-adjustment.