Men's Alphafly 3 Size:12 With increased energy return and

With increased energy return and a lighter weight than the Metcon 9

these ultra-versatile sneakers from On are your new go-to for everyday movement

breathable yarn for a comfortable fit

The finished product more than lived up to its billing

Daily suggested workouts adapt after every run to match performance and recovery

Men's Alphafly 3 Size:12 With increased energy return andFine tuned for marathon speed, the Nike 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