SIMLOC® Fireproof and Anti-Static thermal Socks. 35% Wool, 35% Viscose, 15% Polyamide, 10% CORDURA® Polyamide, 4% Carbon and 1% Elastane. Fabric with the ability to withstand heat and flame, prepared to protect from hazards caused by static electricity. Inherent flame retardant property, does not diminish with washing. Reinforced heel and toe cap ensures a good fit. A pressure-free seam on the toes ensures optimal wearing comfort thanks to a new knitting technology.Certified as protective clothing against heat and fire according to EN ISO 11612 and protective clothing with electrostatic properties according to EN 1149-5.