Alphafly 3 Width:Regular The icon of the ‘80s

The icon of the ‘80s has been updated with Unobtanium® nosepads and earsocks for no-slip grip

Thanks to its sweat-wicking On DryTec™ fabric front

Nike Dri-FIT technology helps you stay dry

Our Skin Thin™ top panel helps regulate temperature and circulate air throughout the sock

Evolved molded heel collar for a secure fit

Alphafly 3 Width:Regular The icon of the ‘80sFine 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: Energy Return for Your