Boot Height: Approx. 9'' Tall. 3/4 welt construction TechnoStability cradles and protects foot and ankle against twists without limiting articulation. 800 grams of Thinsulate Insulation. Durably Waterproof and Breathable Gore-Tex Fabric. Full-Grain Leather. Rocky Airport Footbed. Rugged and outdoor inspired MTN Stalker rubber outsole. Steel toe meets ASTM standards for impact and compression.