Designed for the advanced player. the all-new WAVE ENFORCE TOUR AC is the ideal comfortable tennis shoe for powerful competitors who love to dictate points from the baseline. Equipped with MIZUNO ENERZY throughout the footbed. the Enforce Tour provides high energy return and plush cushioning for quick transitions without added weight. The DuRubber outrigger outsole supports forceful rotational movement. maximizing stroke power and footwork stability. and works in conjunction with a unique upper blend of CPU and mesh to produce a professional level of durability. The proprietary Dyna-Heel Lock system improves the fit and alignment of the ankle and heel. further enhancing stability and maneuverability. 6-MONTH OUTSOLE WARRANTY. ?