Allyson Felix on X: ""Give a girl the right shoes and she can conquer the world." Nike Zoom Superfly Flyknit https://t.co/1VCLxamyOI" / X
Nike's 3D Printed Sprinting Shoe the Zoom Superfly Flyknit Will be Worn at the 2016 Olympic Games in Rio - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing