Running shoe built for the neutral to under-pronator who requires lightweight cushioning; Technical, speedy looks are backed up by the dynamic cushioning of the lowest and lightest a heel ever in this agile, lightweight running shoe. Mesh nylon upper combines lightweight and breathability. Textile lining with molded EVA insole for anatomical comfort. Heel a for optimized energy use throughout foot strike. Injected EVA for long-term lightweight cushioning. Carbon rubber for durability.