Midsole made of Fresh Foam X ensures approximately 3% organic materials, providing maximum cushioning for unparalleled comfort. Organic material made from renewable resources to help reduce CO2 footprint. NDurance rubber outsole technology that provides superior durability in high-wear areas to help you get more out of your shoes. Lightweight engineered air mesh with specific zones for breathability, flexibility and support to provide a fit that helps runners feel safe and comfortable. Reflective details designed to catch the light.