Relieves knee, leg and back pain Supports ball of foot, arch and heel 3/4 length prevents cramping Clinically Proven to Relieve Knee, Leg and Back Pain 3/4 Length to Allow Toes to Move Freely Inside Shoes Help Prevent Cramping Made with Vita-Foam Technology Cradles Balls of Foot Prevents Burning Sensation Helps Comfort Support Arch Helps Cushion Heel From Impact Studies show that a common cause of knee, leg and back pain is poor foot alignment. This product helps correct poor foot alignment to promote relief of knee, leg and back pain. You'll feel a dramatic difference from the very first step. The triple-action design aligns your foot, provides comfort and supports the three zones of your foot: Ball of foot, arch, and heel. UPC: 080376020222 Weight: 0.6 lbs