US Sprinter Allyson Felix Runs in Exclusive Gyakusou Nikes at Olympic Trials

It's rare to see one of Nike's collaborative projects actually used in pro sports, however, that all changed when US sprinter Allyson Felix rocked an exclusive pair of Nike Gyakusou Zoom Superfly Flyknits for her Olympic Trial runs. A longstanding partnership between the Swoosh and Jun Takahashi, Gyakusou has produced very hyped products that often sell-out for the lifestyle market. However, the inspiration behind the entire line was founded on Takahashi's love for running, and Gyakusou's presen...