Nike Air Zoom Alphafly Next% 3 FP White Purple Agate (W) Tuned for marathon speed, this sneaker helps you push yourself beyond what you thought possible. Three innovative technologies fuel your run: a dual Air Zoom unit aids movement, a full-length carbon fiber plate lets you push forward with ease, and a full-length ZoomX foam midsole keeps your feet cool from the first to the forty-second kilometre..