Nike on X: "This summer, it's personal. The Nike Zoom Superfly Flyknit designed for Allyson Felix: https://t.co/zDhFLvTtdJ https://t.co/Wm4pNHGzs8" / X
Olympics 2016: Nike unveils new track spikes for Rio - Sports Illustrated
Allyson Felix Hopes To Achieve Success In Rio With The Nike Zoom Superfly Flyknit • KicksOnFire.com
Nike unveils shoes for 100-metre sprinter at Rio 2016 Olympics