Vasque Women's Pow Pow Ultradry Snow Boot 100% Synthetic Imported Rubber sole Shaft measures approximately 7" from arch Heel measures approximately 3" Platform measures approximately 1" Distance-ready Perpetuum Last 400g Thinsulate Ultra insulation Molded EVA midsole TPU stability shank UltraDry waterproof construction Venture sole with ColdHold compound A faux-shearling lining adds on-trend style, while Thinsulate Ultra insulation ensures outdoor warmth.