W ALPHAFLY 4

More Energy. Less Weight Our iconic racing shoe is back and lighter than ever. We've updated the Air Zoom unit for the first time in the Alphafly's history, making it softer and quieter. Advancements to our ZoomX foam deliver more bounce with less weight, opening up your marathon potential. Key Features Wide carbon fiber Flyplate gives off a racing feel with increased propulsion and stability. 2 AirZoom units under the forefoot are quieter and deliver a softer underfoot feel Dual foam midsole: Top layer: ZoomX LT is the lightest version of ZoomX yet Bottom layer: ZoomX is light and extremely responsive Atomknit upper now has zones of open-hole mesh to further reduce weight and increase breathability Midfoot cables in the upper help contain the foot and improve fit Multi-directional outsole traction reduces weight and enhances durability. Technical Specifications Surface: Road Stack Height: 39 mm heel, 31 mm forefoot Heel-to-Toe Drop: 8 mm Weight: 6.6 oz (M8.5 / W10.0) Best for half marathons and marathons at race pace