The upper fabric is breathable to wick away the moisture to help prevent blisters, callus and athlete's foot. Sueded fabric is very soft to the touch and feels like skin of the peach. The full length gel provides superior comfort and protection. Anatomical arch support supports and aligns the feet. Torsion stability bar supports and aligns and adds structural stability to insole. Fits all types of shoes. Lightweight and durable. Trim to fit to avoid the guess work. Hand wash with soap and water.