NEW REACTIV X System combines the REACTIV iQ Smart Cover Technology with XCLRNT mid-layer for INCREASED DISTANCE off the tee and IMPROVED FEEL and CONTROL around the green MORE DISTANCE: REACTIV X System creates intensified rebound on tee shots, delivering explosive velocity and increased distance MORE CONTROL: REACTIV X System stays on the face longer on approach shots, providing more spin and soft feel around the green Played in professional competition by FRED COUPLES