WHAT'S INSIDE? sur Twitter : "It's almost time. How many @nike Joyride Balls are in one shoe? Video Premiering in 30 mins, its a looong one, come join the chat:) https://t.co/bwFuzVgvvK… https://t.co/tJS2DlftEH"
The science behind Nike's new Joyride Run Flyknit | WIRED UK
Nike Joyride Shoes - Release Info | SneakerNews.com