Alphafly 3 Size:14 and a substantial sole

and a substantial sole

Vibram® outsole

Synthetic outsole with rubber midsole

A supportive piece under the arch adds stability

these men's training shoes include ROLLBAR technology for enhanced stability and support

Alphafly 3 Size:14 and a substantial soleFine 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. Product Details What's New About the