Meets ASTM Safety Standards: This leather steel safety toe work boot with HRO designed rubber-EVA Treker outsole is heat, slip, impact, compression, and electrical hazard resistant to meet ASTM F2413-18, M/I/C, EH, and ASTM F3445-21, SR safety standards. Steel Safety Toe: Steel safety toe provides an additional protective layer of defense from many hazards that may be encountered at a worksite. All Day Performance: The polyurethane footbed gives your feet all-day comfort while high-rebound EnerG midsole delivers a recharging burst of energy with every step and the CuShin comfort tongue helps reduce pressure on your shin. Durable & Long Lasting: Made with full grain leather for long-lasting durability. Inside the footbed is a steel shank for stability and long-lasting performance. The welt construction of the rubber-EVA Treker sole platform prevents water intrusion and adds strength and durability to the boot, also allowing the boot to be resoled to extend the life of the boot. Heat Resistant Sole: HRO designed soles have been designed and tested to perform on high heat surface and are heat resistant to melting at a minimum of 475º Fahrenheit.