NAImportedGum Rubber soleSHOE SIZE: ??D?? = Medium widthFOOT SUPPORT: Ideal for runners with a medium to high arch looking for neutral support.CONNECTED FEEL: Provides a lightweight and flexible feel that lets you move naturally and connect to your runMINIMAL CUSHIONING AND FULL-BODY ALIGNMENT: BioMoGo DNA midsole cushioning dynamically adapts to your stride, while the flexible sole disperses impact away from your body for a plush, yet minimal cushioning so you feel more in touch with your run. Rounded heel promotes better alignment, helping to minimize stress on the joints.LIGHTWEIGHT, CLOSE-TO-FOOT FIT: The stretch-woven upper and soft internal bootie allow your feet to feel comfortable and unrestrained. The clean and simple design provides a lightweight shoe that won??t weigh you down.