Srixon Q Star Tour Golf Balls – YellowThe Srixon Q Star Tour Golf Balls in Yellow enter the third generation of tour-level performance. Srixon's Q Star Tour Golf Ball has a three-piece construction and urethane cover, along with an exceptionally softer feel than traditional tour balls, offering tour-caliber spin and distance.FastLayer CoreThe new FastLayer Core offers distance and soft feel without compromise due to a gradual transition from the soft inner core to the firm outer edge.SpinSkin with SeRMA new urethane coating with flexible molecular bonds digs deep into wedge and iron grooves for increased friction and maximum spin.Alignment AidNew side stamping aids in alignment when standing over those crucial putts.338 Speed Dimple PatternProviding a penetrating ball flight in any conditions, the optimal dimple design increases lift and reduces drag to maximize distance.