EVA orthotic with reinforced, hardened plastic (PE) shell for added motion control and stability. Cushioned shock dot in the heel for added shock absorption. Can be trimmed in forefoot if necessary. Designed to provide greater control in faster paced activities such as running and fast walking. 4 degree rear foot wedge to provide support and control which helps prevent excess pronation EcoFresh anti bacterial odor absorbing cover Contoured around the heel and arch areas to achieve 100% foot contact Material Rubber