NIKE Sunray Adjust 4 (GS/PS) Boys' Sandal #386518-700 fabric-and-synthetic Quick-drying synthetic upper is versatile and convenient. Hook-and-loop closure at heel and top of foot for an adjustable fit. Phylon midsole offers lightweight cushioning and superior flexibility. Non-marking rubber pods at outsole for traction and durability. Grade school/pre-school size range: 11c-7y