Your feet are the foundation of your body and your movement. Take care of your feet to take care of yourself. Designed by using over 2000 sensors to map types of feet based on state-of-the-art pressure measurement and foot-mapping. No trimming is required because each insole is ? the length of a shoe. Measurements based on pressure on heal and ball of foot, height of arch and size of foot. Uniquely designed to reinforce and stabilize arch of foot, Exceptional heal cushioning to relieve pressure. Alleviate daily foot pain, knee pain and back pain. Improve your daily living by improving your kinetic chain.