Spenco Thinsole Full Insole W 7/8 M 6/7– FULL LENGTH SIZE: W 7-8 M 6-7 – Designed to support the footes arch and absorb the shock of everyday activity – Unique shell provides excellent stability without the added bulk of most orthotics – Shell is bonded to a layer of closed-cell nitrogen-injected material and covered with 4-way stretch nylon Shipping Carton Size: 12 L x 10 W x 6 H