A soft, breathable upper that customizes to your foot and a thinner yet durable sole update this running shoe made for chasers, racers and elevated pacers. The amped-up responsiveness of ZoomX foam provides explosive energy return plus lightweight cushioning for a springy, bouncy feel. Asymmetric lacing provides a biometric fit that eliminates the weight of an internal arch band. It sits on a full-length carbon-fiber flyplate that amplifies the responsive ZoomX performance to provide a consistently stiff and propulsive feel underfoot, from sprints to marathons and beyond, with targeted reinforcement along the forefoot putting durable confidence under every stride.