Abstract: A foot has a medial side, a lateral side, a sustentaculum tali, a lateral calcaneus, a fifth metatarsal ray and a forefoot. The support system for a foot comprises of the following. A first portion configured to support an underside portion of the sustentaculum tali at or below the sustentaculum tali on the medial side of the foot to provide a force on the sustentaculum tali. A second portion configured to support the lateral calcaneus on the lateral side of the foot. A third portion configured to support the fifth metatarsal ray on the lateral side of the foot.