Boot Height: Approx. 6'' Tall. ASTM F2413-05 I/75 C/75 Protective Toe Classification. Guaranteed Rocky Waterproof construction. High abrasion heel counter. Oblique toe. Oil and slip resistant 3 density EVA / TPU / rubber outsole. ASTM F2413-05 Electrical Hazard Standard. Polyurethane Footbed. TPU techno stability shank plate. Widest Toe box in the industry.