Columbia Women's Minx Shorty Omni-Heat Wool-W Winter Boots 100% Waterproof Woven Textile With Faux-Fur Collar And Tongue Lining Imported Rubber sole Omni-Grip non-marking traction rubber. Removable contoured PU footbed. Waterproof woven textile and suede 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.