Boot height: Approx. 6'' Tall. Full-Grain Leather and durable nylon. Molded rubber shell toe and heel guard. Terra Suspension PU Cushion footbed. Aggressive all-terrain Lynx outsole. Composite toe. ASTM F2413-05 Electrical Hazard Standard. Guaranteed Rocky Waterproof construction. Thick and comfortable EVA midsole. ASTM F2413-05 I/75 C/75 Protective Toe. Classification. 400 Grams of Thinsulate Ultra Insulation.