Product Details Overview: The Protalus M100 Orthotic Insoles are full-length and feature a semi-rigid orthotic arch support. They provide maximum alignment of the ankle joint offering the greatest degree of arch support. The M100 Insoles have a patented Tri-Planer technology that helps utilize force and counter force to align your ankle with your heel in an optimal position, helping to reduce unsafe ranges of motion. They have strategically designed ridges on the bottom of the insole to help prevent slippage during use. They are made with a top cloth is moisture wicking and anti-bacterial/microbial with an anti-friction lining, an EVA foam molded body that provides cushioning and comfort, a nylon contoured shaped outer sole for stability and support, and additional forefoot and additional heel padding made with poron for enhanced shock absorption. Product Features: Semi-rigid orthotic arch support Full-length footbed Patented tri-plantar technology for stability Moisture wicking and anti-bacterial/microbial with an anti-friction lining top cloth EVA foam molded body that provides cushioning and comfort Nylon contoured shaped outer sole for stability and support Additional heel padding made with poron for enhanced shock absorption Discontinued Product Ideal For: Shoe Type: Athletic Shoes, Work Boots, Hiking Boots Activity Type: Running, Walking, Standing, Basketball, Gym, Hiking, Skiing, Tennis Pain Relief: Achilles Tendinitis, Arch Pain & Arch Strain, Bunions, Flat Feet & Fallen Arches, Over Pronation, Plantar Fasciitis, Shin Splints, Stability, Supination Item #: PRO-M100-U