Relieve ball-of-foot pain with FootSmart Silicone Plantar Cushions. Slide on with ease to evenly distribute your body weight across the pressure zones of your foot. The gel-cushioning provides instant relief at the ball of the foot and enhances your natural footpad. So thin, this cushion can be worn in just about any shoe. Caution: Consult your physician before using if you have diabetes or poor blood circulation. Do not use on an open wound.