The all new Srixon Z STAR XV DIVIDE has a high contrast 50-50 urethane cover that makes spin visible and putting alignment easier than ever. Z-STAR XV DIVIDE features all the complete tour performance expected from the classic Z-STAR XV. FastLayer Core: Starts soft in the center and gradually becomes firm around the edge, giving high-speed players exceptional feel and plenty of ball speed for maximum distance New Spin Skin with SeRM: A high contrast white and yellow thermoplastic urethane cover features SpinSkin with SeRM, a durable coating with flexible molecular bonds; Digs deep into wedge and iron grooves, maximizing spin for more control and more stopping power New 338 Speed Dimple Pattern: Less drag and more lift boosts overall distance and flies straight, even in the toughest wind conditions 4 piece Construction Swing Speed: 100mph Plus