Neotane material: proprietary polyurethane formulation: light, flexible, long lasting. Non-metallic toe cap and midsole. Extra high top & wide fitting: enhanced comfort. Excellent grip. Increased slip resistance: SRC approved. Kick-off spur. 100% waterproof. Cushioning effect in heel. Thermal insulation - 40°C. Standard EN ISO 20345:2011 S5.SRC.CI