Columbia Women's Minx Mid Slip Tweed Winter Boot 100% Textile Imported Synthetic sole Shaft measures approximately 11" from arch Boot opening measures approximately 14" around Waterproof woven synthetic textile with faux fur lining Techlite lightweight midsole for long lasting comfort, superior cushioning, and high energy return Omni tech waterproof breathable seam sealed membrane bootie construction Omni grip non marking traction rubber outsole