ACHIEVE BREAKTHROUGH ACCELERATION WITH THE X 18´S MOST AERODYNAMIC SHAPE EVER.

HIDDEN LACE SYSTEM AND SPEED SOCK CONSTRUCTION SHAVE OFF THE SECONDS. ULTRALIGHT SPEEDFRAME OUTSOLE PROVIDES OPTIMUM STABILITY AT HIGH SPEED. X HEEL LINING AND SPEEDFRAME FOR STABILITY AND EXPLOSIVE MOVEMENT. NO BREAK-IN TIME WITH TECHFIT® INSTANT FIT.