HeatCore 3.8R Regular

Double foil insulation delivers exceptional warmth for three-season use. Lightweight and compact construction. R-value = 3.8 (-9°C). Thickness of 7cm. Pump sack included.
  • Double foil insulation for superior warmth to weight ratio
  • High insulation for three-season use
  • Ultra lightweight construction
  Pre-order now, expected in stock: 02/03/2026
RRP 130.00
£110.00
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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.

Fabric
20D 380T nylon with ripstop, TPU coated
Size
183 x 53 x 7 cm (LxWxH)
Filling
Two layers of foil lining
Valve
Peak Valve
R-Value
3.8 (-9°C)
Colour
Blue
Textile Fiber Composition
Fabric 100% nylon, Pump sack 100% nylon Carry bag 100% nylon
Pack size
23 x 8 cm
Weight
385 g
EAN
5709388160621
Number
310142

  • 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