Hi-Tec Women's V-Lite Snowflake 200I Insulated Boot 100% Suede and textile Rubber sole Shaft measures approximately 7" from arch Heel measures approximately 1 1/2" Platform measures approximately 1" Boot opening measures approximately 11 1/2" around Thermo-Dri waterproof and insulated construction 200 grams of Thinsulate insulation Pull-on boot design with toggle collar closure V-Lite vertical build design that strips away as much weight as possible without sacrificing performance or durability Winter shell, midsole and outsole