Scholl Gel Arch Supports provide maximum relief from foot strain & tired, aching feet. A unique, clear gel system with interchangeable gel inserts means that you can choose the appropriate level of support to suit you. Giving optimum comfort for flat feet & weak or fallen longitudinal arches. Smooth length design fits shoes without crowding & allows toes to move freely Product Properties: Non-slip grip to stay firmly in place Light, medium or firm support shaped inserts