The Black Leopard BILLY Classic D|R II High Top AFO-friendly shoes consist of three widths: Medium (MDR), Wide (WDR), and Extra-Wide (XDR). The laces on these shoes are f unctional for an adjustable fit. The thick knit polyester fabric upper lining adds durability for increased tear resistance. The full -wrap zipper closure allows for unobstructed fun and easy entry into the shoe. The insole board and outsole rubber compound helps withstand toe and heel striking. And the t wo removable insoles (3mm each) provides adjustable depth for custom orthotics. For additional product information on the D|R Collection, feel free to download our Educational Flyer by clicking here .