Boot height: Approx. 8'' Tall. Composite toe. Full-Grain Leather and durable nylon. Guaranteed Rocky Waterproof construction. Molded rubber shell toe and heel guard. 400 Grams Thinsulate Ultra Insulation. Aggressive all-terrain Lynx outsole. ASTM F2413-05 Electrical Hazard Standard. ASTM F2413-05 I/75 C/75 Protective Toe Classification. Terra Suspension PU Cushion footbed. Thick and comfortable EVA midsole.