Columbia Women's Minx Mid II Omni-Heat Wool Snow Boot 100% Textile Imported Rubber sole Shaft measures approximately 9.75" from arch Omni-Grip non-marking traction rubber. Removable contoured PU footbed. Waterproof woven textile with faux-fur collar and tongue lining. Omni-Tech waterproof breathable seam-sealed membrane bootie construction. 200g insulation. Rated -25F/-32C. Omni-Heat reflective lining..