KEEN Women's Betty II Winter Boot 100% Synthetic Imported Synthetic sole Shaft measures approximately 10" from arch Heel measures approximately 2" Boot opening measures approximately 13" around Snow boot featuring quilted side panels, protective toe cap, and faux-shearling lining Medial-side zipper Waterproof breathable KEEN.DRY membrane 200g KEEN.WARM thermal insulation Moisture-wicking interior Multi-directional lugs for traction