The Light Ups BILLY Classic D|R High Top AFO-friendly shoes consist of three widths: Medium (MDR), Wide (WDR), and Extra-Wide (XDR). The laces on these shoes are functional 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 two removable insoles (3mm each) provides adjustable depth for custom orthotics.