Men's Nike Alphafly 3 Hats & Headbands - Hook and loop closure

- Hook and loop closure for easy on/off

Rebound cushioning and controlled power transmission provide faster regeneration and powerful propulsion with every stride

Post-run bliss

and everything in between

3 inches which is a hat size 6 & 1/4 to 7 & 7/8

Men's Nike Alphafly 3 Hats & Headbands - Hook and loop closureNike 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.