Reebok ZigNano Premier Zigfly SE Womens Running Shoes Synthetic Breathable synthetic mesh upper for comfort with synthetic overlays for support and durability Seamless SmoothFit upper for an irritation-free fit PlayDry lining wicks away moisture and helps to keep your feet cool and dry Unique Zig-Zag shaped outsole reduces wear and tear on key leg muscles and creates a lightweight and flexible ride Flex grooves at the forefoot offers enhanced flexibility and a better range of motion