Ben Johnson on Instagram: “Nike ZoomX Dragonfly . 1500m to 10000m track spike . #protosofthegram #vaporflyers #vaporFLYWW #runbenrun #running #runningshoes…”
Track Spikes & Shoes. Nike.com
It's gotta be the shoes: Are advancements in spike technology causing track records to be broken?
Nike Zoom Rival M 9 Track & Field Multi-Event Spikes. Nike.com