IAAF to Investigate Nike's ZoomX Vaporfly Following Multiple Broken Records

Nike unveiled its ZoomX Vaporfly earlier this year with an accompanying marketing campaign that called the shoe "a racing shoe that breaks records." As it turns out, the campaign may not just be a marketing ploy after all. Professional runners are actually breaking records in the shoes quite frequently, which has sparked a controversial debate amongst the running community.The Vaporfly range originally made headlines for its inclusion of a full-length carbon fiber plate embedded in its foam mids...