The Darwen S3 SRC is a safety boot with a water repellent leather upper, internal metatarsal protection and a het resistant rubber sole. Water repellent full grain leather upper, with internal metatarsal protection. Breathable synthetic external lining. SANY-DRY 100% polyester fabric internal lining. EVANIT lining, made of EVA and nitrile special compound, with high bearing capacity and variable thickness. HEAT DEFENDER PU/nitrile rubber sole resistant to +300 °C (1 minute contact). Non metallic TOP RETURN toe cap resistant to 200 J. Non metallic APT PLATE midsole - Zero Perforation Safety Rating: S3S FO HRO LG SC SR 200J Composite Toe Cap Composite Penetration-Resistant Midsole Standard Fit Fuel Oil-Resistant Sole 300°C Heat-Resistant Sole Water-Resistant Upper Anti-Static Sole Reinforced Heel Safety Rating: S3S FO HRO LG SC SR 200J Composite Toe Cap Composite Penetration-Resistant Midsole Standard Fit Fuel Oil-Resistant Sole 300°C Heat-Resistant Sole Water-Resistant Upper Anti-Sta...