NIKE WOMEN'S ALPHAFLY 3 Size:9 The carbon fiber SpeedVault+ Plate

The carbon fiber SpeedVault+ Plate is customized for each shoe size to optimize performance

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and implemented a patent-pending enhanced H-Frame™ to allow for softer foams

Optimized support

NIKE WOMEN'S ALPHAFLY 3 Size:9 The carbon fiber SpeedVault+ PlateALPHAFLY 3 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 fibre plate helps propel you forwards 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