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. the Tour B X delivers increased ball speed for maximum distance off the tee and hit & sit performance on approach shots. Tiger Woods and Jason Day assisted in the development of the new Tour B X and they along with Matt Kuchar and Chris Gotterup play it in professional competition.