3 Quarter Length Dynamic Control | Orthotic Support The Dynamic Control 3 QTR Length orthotic offers a firm but flexible arch support and a deeper heel cup with a medial post for improved foot control and positioning. Advanced, shock absorbing cushioning for enhanced comfort. A soft heel pad enhances the orthotic insert’s cushioning and protection. Suitable for use in athletic shoes and roomier dress and casual shoes. Ideal for controlling mild to severe overpronation and for alleviating pain associated with plantar fasciitis, metatarsal pain, heel or arch pain and other common foot conditions. other common foot conditions.