• The outsole has at least 13% Nike Grind material, made from scraps from the footwear manufacturing process.?
• 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. Inner sleeve is minimal but stretchy.
• An ultra-lightweight midsole offers unreal comfort as your foot repeatedly hits the road. It's lighter, more responsive and softer than previous versions.
• Embroidered eyestays around the laces help keep your feet secure. Pull tabs at the tongue and heel make for an easy one-hand entry.
• Laser-cut grooves on the sole make this shoe more flexible.