Titleist EXP 01 Golf BallsTitleist EXP 01 Golf Balls Many golf ball concepts developed at the Titleist Lab never see the light of day and are left on the trial room floor. The EXP 01 is a prototype that has been released for you, the playing consumer, to try for yourself. This multilayer construction ball will spin less on your long clubs and spin more on your short clubs. Simply, the harder you swing with a driver or fairway wood, the greater the distance and tighter