Responsive and lightweight. The Nike Air Zoom Alphafly NEXT% gears you up for your next personal best. Combining responsive foam and Zoom Air units with optimal energy to push your running game forward for your next marathon or road race. Introducing the latest version of Flyknit - AtomKnit - delivering a lightweight, contoured fit with minimal water retention, in pops of green added to the upper. A foam midsole features in blue and red hues with hints of yellow and green. With a classic black rubber outsole, an integrated tongue also provides a consistent fit with a comfortable lace-up system. 474109, Textile & Synthetic Upper/Synthetic Sole.