Columbia Women's Minx Shorty ALTA Omni-Heat Snow Boot 100% Waterproof Woven Textile and Suede with Faux-Fur Collar and Tongue Lining. Imported Rubber sole Shaft measures approximately 5.5" from arch 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.