Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox
Sage WATSON (Canada), competing in the 400m Hurdles Women Final at the 2017, IAAF World Championships, Queen Elizabeth Olympic Park, Stratford, London, UK Stock Photo - Alamy
Olympics 2016: Nike unveils new track spikes for Rio - Sports Illustrated
Track & Field Shoes. Nike GB
Lonodn, UK. 12 Aug, 2017. Usain Bolt (JAM) running shoes spikes in the mens 4 x 100m relay. IAAF world athletics championships. London Olympic stadium. Queen Elizabeth Olympic park. Stratford. London. UK.