Kids Water Shoes, UPF50+ UV Sun Protective, Hard Sole, Plus Zipper (Infant/Toddler) Neoprene, Nylon/Lycra, Rubber UPF 50+ rated UV protective fabric Blocks 97.5% of UV rays. Zippers Make Them Easy to Get on and Hard Soles Make Them Safe for Feet Two-Color Combinations. In Girls and Boys Colors! Sizes: 5, 7, 9, 11, 1, 3. Standard Sizing. See size chart for details. Wear the Shoes with a Kids Tuga Sunwear Hat! Search for all the Sun Protective Apparel by Tuga.