For a new class of running shoe, the adidas Porsche Design Sport BOUNCE™: S2 does away with bulky foam technologies. Creative design Sports-car creative suspension system 20% more cushioning; 15% more elasticity than standard running shoes RPU exoskeleton. BOUNCE Black provides optimized energy return and step-in comfort Brand New with Box +dust bag. Running,Walking men's shoes. Soft feel. Perforated upper for lightweight breath ability Car-inspired suspension system propels you forward with a specially engineered pivot mechanism Exclusively developed for the Porsche Design Sport Bounce.