Superfeet Run Women's Support Insoles - Trim-To-Fit High Arch Support - Carbon Fiber Orthotic Shoe Inserts for Running ShoesSuperfeet Run Women's Support Insoles Trim To Fit High Arch Support Carbon Fiber Orthotic Shoe Inserts for Running Shoes Trim to Fit: Superfeet insoles are made to be trimmed to fit your shoes and boots; follow cutting instructions before use, and if you're between sizes, size up and trim down to fit Shoe Inserts for Women: Medium to high arch orthotic support helps stabilize the foot while running, reducing stress on feet, ankles, knees, and back