The Zoom Fly 6 accompanies you with every step. The responsive ZoomX foam is lighter than the Zoom Fly 5 and provides extra energy return with every step. The carbon fibre plate provides drive to the finish line. Benefits ZoomX foam, Nike's lightest and most responsive foam, delivers the highest energy return with every step. A continuous carbon fiber plate increases efficiency and responsiveness. The outsole is made of thin rubber that is lightweight and grippy on the road. Product information: weight: approx. 265g (men's shoe size 10) Drop: 8mm faux leather in upper