Soft stretch fabric sleeve positions a Visco-Gel pad under the forefoot comfortably without adhesives. Protects metatarsal heads and absorbs shock to relieve ball-of-foot pain, prevent calluses and make shoes more comfortable. Acts like an artificial fat pad. Spacious shoes will best accommodate its thickness. Features: Absorbs pressure, friction and shock. Relieves burning sensations on the ball of the foot. Flexible, durable outer fabric offers comfort and conformability. Washable and reusable.