Fasten your seatb. . .PUMA mean laces. Play at full throttle. With ULTRA 5 CARBON, you get the speed and sensation of a finely tuned machine at your feet. It features a brand new SPEEDSYSTEM outsole made of carbon fiber, making it even more springy than the previous generation of ULTRA. The boots are also equipped with PUMA's FastTrax stud design, precision engineered to take you from kick off to back of the net faster than you can say: Lights out.