Now you can get "true-to-life" arch support that"s specifically designed for shoes and boots with up to 1.5" heels. The naturally contoured, longitudinal arch provides pronation control, while a metatarsal arch gently lifts toes to their natural position. As the insoles are worn, the heat and weight of the body molds the natural cork / EVA, making it more flexible and offering a combination of comfort and support. Recommended for shoes with removable insoles.