If it's freedom you crave, this road runner can help turn you loose. Feathery and flexible, its barefoot feel and Flyknit upper will have you freewheeling with joy, ready to go a few more strides. Made from Nike Grind The outsole has at least 13% Nike Grind material, made from scraps from the footwear manufacturing process. Lightweight Movement Flyknit gives you sock-like comfort with soft, stretchable and breathable fabric that helps keep you feeling light and airy when your run goes into overdrive. The inner sleeve is minimal but stretchy. Soft in the middle An ultra-lightweight midsole offers incredible comfort as your foot repeatedly hits the road. It's lighter, more responsive and softer than previous versions.