Lynco Biomechanial Sport Orthotics are designed specifically for comfort, support and weight redistribution in athletic, walking and comfort footwear. These tri-density orthotics feature a Pro-Shox top cover for superior cushioning and shock absorption. Pro-Shox's high-tech polyester fibers wick moisture away from the foot and provide a cool, friction free surface to prevent blisters and other foot problems. These orthotics feature a molded Pedic core for stability and resilience, while the Plastazote bottom conforms to the footwear and keeps the orthotic light in weight. This outsole is posted in the rearfoot to control pronation and rearfoot balance and is recommended for flat or low arch heels. The forefoot is neutral and has no metatarsal support. Recommended for those not suffering from ball of foot discomfort.