Reebok Zignano Premier Zigfly White Mens Running Shoes Synthetic Lightweight, breathable mesh upper with synthetic overlays for comfort and durability Seamless SmoothFit upper for an irritation-free fit PlayDry lining keeps your feet cool Removable cushioned PU sockliner for comfort Unique Zig-Zag shaped outsole reduces wear and tear on key leg muscles and creates a lightweight and flexible ride