HTS code 9902.14.16 covers "Footwear for other persons, with outer soles and uppers of rubber or plastics (except vulcanized footwear and footwear with waterproof molded bottoms or vulcanized bottoms, including bottoms comprising an outer sole and all or part of the upper, and except footwear designed to be protective that is incomplete in its condition as imported), not covering the ankle or having a protective metal-toe cap, valued over $18/pair, designed to be worn in lieu of, but not over, other footwear as a protection against water, oil, grease or chemicals or cold or inclement weather where such protection is imparted by the use of a laminated textile and has openings in the bottom and/or side of the sole, or covered openings in the upper above the sole unit, or a combination thereof, designed to permit moisture vapor transport from under the foot (provided for in subheading 6402.99.33) " 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.