Nike Women's Air Zoom Structure 21 Shield Running Shoe A low-profile running shoe features lightweight mesh with a strategically placed bonded overlay for added support. The Nike Zoom unit and decoupled crash pad offer cushioned protection, while deep flex grooves ensure durable traction during your workout. Color:Dark Sky Blue/Thunder Blue. Style:907323 400 • Flywire cables wrap the midfoot for supportive, custom lockdown • Deep flex grooves ensure durable traction during your run or workout o Nike Zoom unit and decoupled crash pad offer cushioned protection • Water repellent See photos for condition, sold as is. Size 9, fits size 8.5 for running.