The JPX 800 drivers focuses on increasing driving distance by specifically targeting an improvement in ball speeds from off-center hits. Based on studies from Mizuno tour testing and national fitting centers, it showed most golfers lose distance when miss-hit high or low on the face. The JPX 800 extends its "vertical" MOI to help maintain the distance players want. Begin attacking the course by splitting every fairway with the JPX 800 driver from Mizuno.