Women's winter shoes: The Head SILVER is very well insulated with fleece and a foam liner. A ripstop fabric material with a waterproof membrane was used for the production of this shoe. This membrane is resistant to rain, wind, and snow while staying breathable - You can fully rely on its high quality protection that will keep you feet dry. A liner on the inside prevents snow from entering the boot around the zipper. For sure footing even on unpaved terrain, the shoe has a quality sole of durable thermoplastic rubber with a terrain pattern.