Klim Convert Gore-Tex Boot Liner Whether your are crossing a creek or caught in a downpour, the Covert GTX motorcycle boot liner is designed to enhance any motorcycle boot to be fully waterproof, providing your feet with ultimate comfort and protection from the elements. Features GORE-TEX fabric construction Soft spandex top cuff Above the calf design Articulated patterning For use with non-waterproof motorcycle boots 4-season use Specifically patterned for right and left feet. Includes polyester/COOLMAX nylon base layer sock