This carbon fiber insert is sold as a single item, not as a pair. For both shoes, please order two shoe inserts. We recommend that you take measures of your shoe insole before you order this carbon fiber insert. Our insert allows you to wear sneakers, boots after injuries or surgical procedures making your shoe more rigid. The insert is fitting for either right of the left shoe just by flipping it over. Compared to steel plates carbon fiber inserts are 3-4 times lighter and they are not damaging shoes or rusting as spring steel plates do. The insole is only 1.2mm thick and it is very lightweight. The carbon fiber insert is placed underneath the sole or the sock liner. They allow athletes to play by providing support to the injured foot. It can be used for a turf toe, chronic injuries, metatarsal stress fractures, broken bones and so on. Immobilizes toe joints to prevent it from bending during walking and sports. This carbon inserts can also be used in the case of Arthritis pain or Ideopathic Toe Walking, stabilizing the foot. It can also be used for arch support. This insole is not made for a shoe with a heel. Also, the shape of the insert will not match leather stylish party shoes. They will fir best for sneakers. Carbon fiber inserts are currently being used by professional athletes also hikers all around the world. Inserts are recommended by Doctors, Orthopedic Surgeons, Sports Medicine Physicians, Chiropractors and Athletic Trainers all over the World.