Boys' Nike Sunray Protect 2 (PS) Preschool Sandal LIGHT AND STRETCHY. Boys' Nike Sunray Protect 2 (PS) Preschool Sandal features total toe coverage and outsole traction perfect for outdoor play. Hook-and-loop straps help make on and off easy, while openings in the upper promote airflow when little feet get hot. Water-resistant textile upper has a flexible, natural feel. Foam midsole offers lightweight cushioning. 2 hook-and-loop closures offer an adjustable fit.