Womens Nike Alphafly 3 SE brooks25h1 The cut-out grooves increase flexibility

The cut-out grooves increase flexibility for a better transition from heel to toe

No-bounce lightweight frame for secure active fit

Strategic upper construction offers light support yet breathability

SpO₂ sensor

Womens Nike Alphafly 3 SE brooks25h1 The cut-out grooves increase flexibilityWomens Nike Alphafly 3 SE 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. Energy Return for