Our Polar Womens Ultra Ice Grip Boots are made of softshell uppers for improved performance in wet conditions. They have 400gsm IsoTherm Thinsulate linings for retained warmth without bulk and they will keep your feet warm in temperatures as low as -30 degrees celsius. They have ice lock outsoles to increase grip on ice and wet surfaces. With a stylish design, these waterproof ice grip boots would be perfect for your next outdoor adventure in the winter months. IceLock Outsole - made of micro-glass fiber material. It dramatically increases traction/grip on ice and wet surfaces to prevent you from falling. The slip resistance of IceLock is 6 times stronger than normal ones offer