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.  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 for long lasting protection Puncture resistant steel midsole Protective steel toecap Lightweight PU cushioned midsole 360 degree rubber external chassis system Removable EVA cushion footbed Full grain leather upper providing a barrier to all weather conditions Portwest Steelite Mustang Boot S3