FootSmart Stretchables April Loafers Synthetic Synthetic sole Stretch synthetic leather upper accommodates hammertoes, overlapping toes and painful or pinched toes. Molded polyurethane insole features gel inserts in the heel and ball-of-foot for added cushioning and shock absorption where feet feel the most pressure. Removable insole can be replaced with your own orthotic. Adjustable hook-and-loop strap and twin stretch elastic inserts at the instep help create a customized fit. Soft, smooth synthetic sockliner and stretch fabric upper lining help reduce rubbing and irritation against your foot.