Manmade,MeshImportedSHOE SIZE: ??D?? = Medium widthFOOT SUPPORT: Ideal for runners with a flat to medium arch looking for support.CONNECTED FEEL: Provides a lightweight and flexible feel, that creates a natural connection to your run, without compromising support or speed.PLUSH CUSHIONING AND FULL-BODY ALIGNMENT: BioMoGo DNA midsole cushioning dynamically adapts to your stride, providing minimal yet comfortable cushioning so you feel more in touch with your run. Rounded heel promotes better alignment, helping to minimize stress on the joints.LIGHTWEIGHT, SOCK-LIKE FIT: The Woven Air upper and soft internal bootie allow your feet to feel comfortable and unrestrained. The no-sew overlays provide a lightweight support and structure.