Sean Ingle on Twitter: "Data from @nytimes shows Nike Vaporfly shoes are 4-5% faster than average running shoes and offer significant edge over competition - based on results from more than one
Nike Zoom Vaporfly 4% could give you faster feet, study says - AW
How is Nike's Vapor Fly, a shoe that swept the land world, overwhelmed others? - GIGAZINE
How is Nike's Vapor Fly, a shoe that swept the land world, overwhelmed others? - GIGAZINE