The Nike Sunray Protect 3 TD kids' sandal protects toes from injuries very well. They have a grippy sole that is perfect for playing outdoors. Velcro fasteners make it easy to put on and take off, and openings in the upper allow air to flow and prevent little feet from overheating. The upper made of waterproof synthetic material is very flexible and pleasant to the touch. The foam midsole provides lightweight cushioning. Thanks to the double Velcro closure, the shoes allow for an individual fit. Material: synthetic material