Skid resistant rocker bottom protects cast and absorbs shock to promote healing Open heel and toe, Adjustable straps for various casts sizing Lightweight material ensures maximum mobility and comfort Lightweight material ensures maximum mobility and comfort Lightweight material ensures maximum mobility and comfort Durable fun print canvas to support children on the mend Measure by sole dimensions. Available Sizes: Infant (5.5 Inches in length, 3 Inches in width) and Pediatric (7.25 Inches in length, 3.625 Inches in width)