Z-STAR provides maximum greenside spin for unmatched control and stopping power. Its premium 3-piece construction gives skilled players complete tour performance, tee to green. Starts soft in the center and gradually becomesfirm around its edge, giving high-speed playersexceptional feel and plenty of ball speed formaximum distance. A new, more durable coating with flexible molecularbonds digs deep into wedge and iron grooves,maximizing spin for more control and more stoppingpower. Less drag and more lift boosts overall distance andflies straight, even in the toughest wind conditions.