The first Nike Free shoe was released in 2004, eight years after Nike designers observed Stanford athletes training barefoot on the campus golf course. Since its inception, Free innovation has mimicked natural running with biomechanics and physiology at the forefront of the design. The Free RN Flyknit 3.0 'Pure Platinum' blends natural movement with sock-like Flyknit comfort to create a sleek, futuristic silhouette.