Boot Height: Approx. 10'' Tall. 1400 Grams of Thinsulate Ultra Insulation. Cushioned Air-Port footbed is perforated allowing for maximum air circulation and comfort. Durably Waterproof and Breathable Gore-Tex Fabric. Full-grain dark brown leather and brown nylon. Sharp new Design. Tri-density lightweight outsole with heel kicker and external shank stabilizer.