Full grain leather and/or stretchable nylon uppers; Extra-volume construction for generous fitting; Padded collar and tongue and full lining for superior comfort; Extended heel counter to provide all day support; Removable Poliyou air insole provide cushion while absorbing moisture and odor; Additional layer of EVA orthotic provide maximum depth for easy customization; Rocker profile for easy stride; Hook and look closure system; Polyurethane sole for shock absorption and durability.