Alphafly 3 show_alt A plush layer of PWRRUN

A plush layer of PWRRUN PB superfoam on top of a responsive layer of PWRRUN foam delivers the perfect balance of softness and support

Underpronation

easy fit that won't slow you down

designed for a light & efficient ride

greatly reducing the effects of wind chill

Alphafly 3 show_alt A plush layer of PWRRUNFine 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