If your arches are letting you down - you need ProArch Foot Supports for improved foot function and better posture. A prescription quality polypropylene arch spring shell flexes as you walk, providing just the right amount of support for your arch, as your weight shifts during the gait cycle. The 3/4 length ensures complete foot support and comfort without interfering with the fit of the shoe. An Enduron foam top cover provides cushioning softness with each step. Why spend hundreds of dollars on cushion orthotics - try ProArch for heel and arch pain relief. Specify men's/women's shoe size. Cannot mix sizes for quantity discount.