Nike Zoom Fly 6 Road running shoe for men The Zoom Fly 6 is with you every step of the way. The responsive ZoomX foam is lighter than the Zoom Fly 5 and provides extra energy return with every stride. The carbon fiber plate provides propulsion all the way to the finish line. Lightweight and resilient ZoomX foam, Nike's lightest and most responsive foam, delivers the highest energy return with every stride. Effective responsiveness A full-length carbon fiber plate increases efficiency and responsiveness. Grippy texture The outsole is made of thin rubber that is light and grippy on the road. Light and airy The upper is made of woven mesh and offers high-end comfort for training shoes without sacrificing weight or breathability.