Product Overview: The Wilson Staff Model® golf ball is a tour-caliber, four-piece urethane golf ball that delivers unmatched precision, speed and consistency. Featuring a medium-compression core, the Staff Model feels great off the club head and achieves flatter trajectories on drives and approach shots from distance. Each Staff Model ball is painted using a finely controlled application process that ensures a nearly flawless finish, resulting in the highest-caliber performance. Features: V-COR™ ADVANCED  PERFORMANCE​ A unique core composition magnifies energy to generate maximum velocity off the club face for greater distance performance. 3SIX2 SEAMLESS URETHANE COVER A thin urethane outer cover helps to provide maximum spin for more stopping power on wedge shots, chips and pitches. MEDIUM COMPRESSION CORE This ball features a medium compression core with a velocity-boosting additive to help you achieve fast ball speed on tee shots.