Massaging Work Insoles for Men (Fits shoe sizes 8-13). -. - All-day comfort in sneakers boots and dress shoes!. - Unique patent-pending support system provides comfort and shock absorption. - Memory foam top layer conforms to foot contours like custom-made orthotics. - Air perforations boost circulation to keep feet cool and dry. - Available in one men s trim-to-fit size (fits shoe sizes 8-13)