Nike Women's Alphafly 3 one size fits most medium support gives you a

medium support gives you a snug hold that helps keep everything in place

fits most large-format smartphones

You're covered

Is running your happy place

Super comfortable cushioned construction

Nike Women's Alphafly 3 one size fits most medium support gives you aFine 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 Your MarathonTwo forefoot