Women’s winter boots: The Loap COSTA have a WATERPROOF membrane and are ideal to take to the mountains. They have a durable upper made of nylon, quality polyurethane and faux fur. The fleece lining warms up quickly, so you will be very pleasantly warm. The removable insole is also made of warm fleece and also of EVA foam, which perfectly absorbs shocks. The outsole is made of thermoplastic rubber - a type of high-quality synthetic rubber, highly resistant to pressure.