Waterproof Designed to help protect against heavy weather conditions, including water, rain, and snow. If present, zippers and tongues are gusseted and treated with water-repellent coatings. * Sheepskin Lining Vetted through extensive, industry-leading processes to ensure only the highest quality sheepskin makes the cut, delivering the signature feeling of UGG. * White Spider Rubber Made for high friction and durability, this versatile and non-marking rubber compound offers enhanced traction on wet and dry surfaces. * Weather Rated to -32°C Cold-weather styles with this icon are rated for temperatures as low as -32°C (-25.6°F). * Dry Tech Made with our innovative DryTech membrane, which forms a waterproof barrier for enhanced protection from the elements.