Feel safe, secure and protected while working. Our base layer is made of an advanced heating and flame tolerant material that solidifies at high level of heat and creates a permanent protection. Recommended in temperatures +5°C to -20°C. Certified according to EN 1149-5. ISO 11612 A1, B1, C1. IEC 61482-2, class 1. EBT 4, 4 cal/cm², HAF: 69, 1%