With one-of-a-kind R-value of 11, this inflatable sleeping mat delivers genuine 4-season-grade insulation. What makes it a true disruptor is the price point: £99.99 RRP, compared to £200–£250+ for current lower R8-rated mats. ✔ R Value: R11 (under test standard ASTM F3340) ✔ Only 900g ✔ 10cm Thickness ✔ 3-layer foil ✔ Compact, light, warm and affordable
