Comfortable flat knit upper delivers zonal dynamic stretch, containment & breathability where you need it. Reinforced heel construction with added foam for enhanced lockdown & security at heel strike. Winged tongue adds midfoot hold & containment with added foam to eliminate pressure on top of the foot. EVA sockliner adds extra bounce & resiliency with every stride. Softer, lighter one-piece Flow midsole provides responsive & long-lasting cushioning. Flow technology eliminates the rubber outsole, creating a more lightweight & seamless ride on any surface. Outsole pattern is super-durable & grippy for a smooth, natural footstrike