Neotane material: proprietary polyurethane formulation: light, flexible, long lasting, Standard fitting, Available in non safety (04), steel toe cap (S4), toe cap and midsole (S5), Excellent grip, Increased slip resistance: SRC approved, Resistant to fats, manure and a variety of chemicals, Kick-off spur, Thermal insulation -20?C, EN ISO 20345:2011 S5.SRC.CI