Take the Adizero Prime X 2 Strung, for example. There’s so much foam and carbon tech in that bad boy, it has been declared illegal for fully sanctioned racing. Instead, it is designed for ...

The running shoes that carried him to victory? The Adidas Adizero Prime SP3 Strung x Y-3 running spikes. The best-in-class track shoes were a collaboration effort between Adidas and legendary ...