Check Out Nike's Crazy New Machine-Designed Track Shoe | WIRED
Super Spikes From Running Companies Like Nike Dominating Olympic Track
Alberto Stretti on Twitter: "Galen Rupp ran 10000m without normal spikes- shoes...to be relaxed for marathon?? ...interesting techincal argument https://t.co/nw3CtFpIA4" / Twitter
NEW Nike Zoom Victory Yellow Pink 2016 Rio Track Spikes Shoes Men's 9.5 | eBay
Nike used 3D printing and Olympic sprinters to design its new track shoe | Engadget