Men's Nike Alphafly 3 Cross Country It’s rigid where it needs

It’s rigid where it needs to be and compresses easily for quick hydration

Whether running or biking

walking or hiking

hook-and-eye back closure

Men's Nike Alphafly 3 Cross Country It’s rigid where it needsNike Alphafly 3 Men's Road Racing Shoes Fine 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.