HTS code 6401.92.60.00 covers "Waterproof footwear with outer soles and uppers of rubber or plastics, the uppers of which are neither fixed to the sole nor assembled by stitching, riveting, nailing, screwing, plugging or similar processes › Footwear incorporating a protective metal toe-cap › Covering the ankle but not covering the knee › Ski-boots and snowboard boots › Having soles and uppers of which over 90 percent of the external surface area (including any accessories or reinforcements such as those mentioned in note 4(a) to this chapter) is poly(vinyl chloride), whether or not supported or lined with poly(vinyl chloride) but not otherwise supported or lined" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.