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. A newly formulated core starts soft in the center and dramatically becomes firm around its edge, giving high-speed players exceptional feel and added approach shot spin. A new durable coating, new Spin Skin+ digs deep into Wedge & Iron grooves, maximizing spin for better control and stopping power. Swing Speed: 90+ MPH. Mid Launch.