Designed for comfort safety and reliability. The Mustang boot has full S3 protection with a 360-degree rubber external chassis system for maximum ankle support. Features: CE certified Protective steel toecap Steel midsole Anti-static footwear Energy Absorbing Seat Region Water-resistant upper to prevent water penetration SRC - Slip-resistant outsole to prevent slips and trips on ceramic and steel surfaces Fuel and oil-resistant outsole Dual-density sole unit Full-grain leather Materials: Upper: Crazy Horse LeatherSole: PU/TPU Standards: ASTM F2413-18 AS 2210.3 EN ISO 20345