Men's Nike Alphafly 3 Essentials Get real-time performance metrics when

Get real-time performance metrics when working out with this Garmin fēnix 6S smartwatch

and close the VELCRO brand fastener over it

A breathable upper is made to feel contained

Fine-tuned fit

Meet the ultimate slipper - The classic Zermatt

Men's Nike Alphafly 3 Essentials Get real-time performance metrics whenNike 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.