The HeatCore 3.8R Regular by Robens is designed for optimal comfort in various outdoor environments. Engineered with double foil insulation, it offers a superior warmth-to-weight ratio, making it ideal for three-season usage. The lightweight construction ensures easy transport, while the included pump sack facilitates quick setup. With its innovative Robens Peak Valve, the mat features one-way technology for enhanced airflow, ensuring efficient inflation. The increased number of smaller air chambers provide exceptional stability and support without adding bulk. PFAS-free materials underline Robens´ commitment to sustainability, making the HeatCore an eco-friendly choice for outdoor performance. Features: Double foil insulation for superior warmth to weight ratio High insulation for three-season use Ultra lightweight construction Robens Peak Valve with one-way technology and very high airflow properties Increased number of smaller air chambers enhance stability and support while reducing overall thickness Lightweight pump sack included Carrybag included PFAS-free Specifications: Fabric: 20D 380T nylon with ripstop, TPU coated Weight: 385 g Textile fiber composition: Fabric 100% nylon, Pump sack 100% nylon Carry bag 100% nylon Size: 183 x 53 x 7 cm (LxWxH) Pack size: 23 x 8 cm Filling: Two layers of foil lining R-Value: 3.8 (-9°C) Valve: Peak Valve Pieces per carton: 6