No-compromise Cushioning: The Cloudflow makes elite-level technology accessible to any runner intent on going faster. The ultralight HelionTM superfoam combines a fast responsive feeling with fully cushioned road protection. |Forward-thinking Upper: The re-engineered upper not only creates a more streamlined look but seamless comfort a speed. And with the race against climate change in mind 70% of the polyester used is recycled.|Re-engineered Heel Hold: The heel cap fit is now even more precise for a reassuringly secure fit even as you take sharp corners. Ideal for intervals around the block or flying around tight city streets at a marathon major. |CloudTec in ultralight Helion superfoam combines for a fast responsive feeling with fully cushioned road protection. The engineered mesh upper offers a reassuringly secure fit whether your're training or racing.|Fits true to size.|Upper: 100% Polyester. Outsole: EVA Rubber|Country of Origin: Vietnam