Full grain leather and/or stretchable nylon upper. 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. Polyurethane sole for shock absorption and durability.