Nike Officially Unveils the Train Ultrafast Flyknit

After teasing the silhouette earlier this week, Nike has officially unveiled its latest trainer: the Train Ultrafast Flyknit. Crafted with insights from none other than Cristiano Ronaldo and built specifically for the emphasis his off-pitch training places on "explosive, quick lateral cutting movements and hours of footwork," the Train Ultrafast Flyknit echoes what Ronaldo loves about the Mercurial Superfly and couples a dynamic fit upper of brand new chainlink Flyknit with a responsive propulsi...