FW69 - Steelite Mustang Boot S3 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 360 degree rubber external chassis system Premium oiled leather upper Back pull-tab for ease of getting onto the foot Angled top line for better fit and leg flexibility Dual density outsole Water resistant upper to prevent water penetration CE certified UKCA marked Protective steel toecap Pierce resistant steel midsole Anti-static footwear Energy absorbing seat region 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 Portwest FW69 - Steelite Mustang Boot S3