Only worn once! Nike streakfly 5k/10k shoes. Men size 8, women size 9.5. Worth $170. Great for road races or track work. A full-length ZoomX midsole provides optimal lightweight responsiveness. The foam stack heights are lower than the Vaporfly, saving weight and giving you a more aggressive feel. It results in a shoe so light, it disappears on your foot while still giving you the responsive cushioning of ZoomX foam, helping you reach your fastest pace throughout the turns and accelerations of any race. Similar to the vaporfly but less bulky; has the same zoom max foam!