NIKE ZOOM FLY 6Nike Zoom Fly 6 Mens Road Racing Shoe ZoomX foam plus a carbon fiber plate equals a propulsive ride. The Zoom Fly 6 is with you every step of your run. Lighter than the Zoom Fly 5, its responsive ZoomX foam adds energy return to each stride, while a carbon fiber Flyplate helps propel you to the finish line. ZoomX foam, our lightest and most responsive foam, delivers our most energy return with every stride. Full length carbon fiber Flyplate increases