Waterproof Polymer upper, breathable Airmesh linings. Heat (300C) resistant and waterproof construction with SRC slip resistant rubber outsole, anti-static and energy absorbing heel. Steel Midsole for impact penetration protection, triple toe and quadruple rubber heel reinforcement, impact and compression resistant toe cap, cut and abrasion resistant. Temp rating -30C to 10C. 5mm CR flex foam. Ref: UTFS6674