CURREX RUNPRO insoles deliver sensational comfort, optimized motion, reduced injuries, and enhanced stability for greater confidence. They are your final step to better running. CURREX RUNPRO insoles have flexible support with just the right level of rigidity. It's no surprise that experienced runners in a blind study at the German Sport University Cologne chose RUNPRO for comfort. No running shoe is complete without CURREX RUNPRO. See below for sizing information.