Nike Cortez Basic SLBoys' Shoe (3.5y-7y)VINTAGE NIKE RUNNING STYLE.Celebrating 45 years on the track and on the street, Nike Cortez Basic SL Boys' Shoe (3.5y-7y) refreshes the iconic runner for today. Its durable synthetic leather upper is overlaid at the toe and heel for support and one-of-a-kind style.Synthetic leather upper with classic overlays for durable support.Full-length foam midsole provides low-profile cushioning.Rubber outsole with herringbone pattern for traction.Grade school size range: 3.5y-7y Big Kids Boys' Nike Cortez Basic SL - Footwear