Upgrade the fit and feel of your footwear with long-lasting comfort for all your activities. Superfeet All-Purpose Support Medium Arch insoles give you structured support where you need it most, helping redistribute forces to reduce stress and strain on your entire body, not just your feet. Designed to replace the removable liner in a wide range of footwear. Trim to fit your shoe size.Arch Height: MediumThickness: MidCushion: FirmBest For: Everyday shoes, work footwear, walking, runningFirst Best In: Moderate to Tight fitting footwear with or without removable insolesSUPERFEET SIZE CHARTSUPERFEET SIZEBCDEFMEN’S5.5-77.5-99.5-1111.5-13WOMEN’S4.5-66.5-88.5-1010.5-12