One of our fastest long-distance track spikes is back and bolder than ever. Ultralight ZoomX foam and a responsive plate make them ready to break even more world records. The Dragonfly 2 is donned by the fastest 5K and 10K runners in the sport, who are ready to reach new heights in style. Engineered Upper - New yarns and engineered upper enhance breathability and comfort. The upper's conforming fit gives a disappearing sensation that is built to go the distance. It's accented with a removable gold chain and charm on the laces. The heel is reinforced to help improve stability. ZoomX Foam - Full-length ZoomX foam, Nike's lightest and most resilient foam, delivering a high level of energy return with every stride you take. Stable Connection - Four removable spikes help reduce the weight of the plate and create a wide, flat platform for a stable connection to the track. What's New? - A slightly wider midfoot and forefoot compared to the previous iteration