; such footwear not covering the ankle, valued $27/pair or higher, 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 includes protection against water that is imparted by the use of a laminated textile fabric); the foregoing, if valued $29/pair or higher, other than footwear with 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 vent moisture (provided for in subheading 6403.99.90) 7.5% No change No change On or before 12/31/2020 . 1311. Children's waterproof leather footwear, valued at $18 per pair or over Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.14.30 Footwear for other persons, with uppers of leather (other than of pigskin) and outer soles of rubber or plastics (other than house slippers, work footwear, tennis shoes, basketball shoes, gym shoes, training shoes and the like and other than slip-on footwear), not covering the ankle, valued $18/pair or higher; such footwear 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 includes protection against water that is imparted by the use of a laminated textile fabric