Optimal by Ciabatta's features full length cushioning for optimal comfort. Gel crash pad under ball of foot. Gentle mid foot rise with a metatarsal pad to support fascia and offload pressure from the ball of the foot. Semi flexible arch support for the structured foot, yet firm enough to support the flexible foot. Cupped gel crash pad under the heel for optimal cushioning, distribution and to reduce tension on the Achilles and assist with other fascial injuries.