Columbia Women's Bugaboot Plus III XTM OH Winter Boot 100% Leather/Textile Imported Synthetic sole Shaft measures approximately 8" from arch Heel measures approximately 1.5" Platform measures approximately 0.75" Waterproof winter boot featuring speed lacing hardware and asymmetric opening Cushioned and long-lasting TechLite lightweight midsole Omni Heat 600g insulation Omni Grip non-marking traction rubber outsole