This time, putting your feet to the fire is a good thing. In fact it's a warm and waterproof thing with faux fur and a sole with plenty of grip. Rated at -25F/-32C, these cold-weather boots are loaded with warmth and style. Boots with waterproof woven synthetic textile with faux-fur collar and tongue lining, 200g insulation, Omni-Heat reflective lining, PU footbed midsole and Omni-Grip non-marking traction rubber outsole. Material: Synthetic, rubber.