Designed to provide the proper balance of shock absorption and energy return over the entire plantar surface of the foot.
Indicated for knee pain, lower back pain, metatarsal pain, callus pain, arch pain. and pain in ball of the foot .
The blue parts are softer than surround.
Ideal for any type of activity sports or daily use, especially for preson who has standing long time such as echers, postman, policemen, medical personnel, attendants. . . Etc.