Men's Nike Alphafly 3 Size:9 Carbon plate guides your foot

Carbon plate guides your foot throughout your step and propels your foot forward

Stability When You Need ItBoth the forefoot and heel offer slightly wider bases for a stable platform

Hydration doesn’t have to be complicated

Extra-Wide WaistbandDesigned to help reduce rolling

Men's Nike Alphafly 3 Size:9 Carbon plate guides your footFine tuned for marathon speed, the Alphafly 3 helps push you beyond what you thought possible. Three innovative technologies power your run: A double dose of Air Zoom units helps launch you into your next step; a full length carbon fiber plate helps propel you forward with ease; and a heel to toe ZoomX foam midsole helps keep you fresh from start to 26. 2. Time to leave your old personal records in the dust. Energy Return for Your Marathon Two