Shin Relief And Ankle Donuts Provide A Cushion Between The Foot And Boot To Relieve Or Help Prevent Soreness And Irritation. 1/4" Thick Adhesive Backed Soft Cushioning Foam. One Pair. Can Be Cut To Fit. Can Be Used For Other Areas Of Foot To Prevent Irritation.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }