The Verdict: For Mizuno, it wasn’t enough to incorporate a high-strength beta titanium alloy in a complex variable-thickness face with a carbon-fiber crown to help lower the center of gravity. The company’s engineers also designed “waves” on the sole to improve forgiveness and boost the size of the hottest part of the face as much as 50 percent. The ST190 features a steel weight deep in the sole to improve launch and stability on mis-hits. The lower-spinning ST190G has parallel sliding weight tracks to better control spin and ball flight.
Loft: ST190: 9.5, 10.5; ST190G: 9 (both models adjustable by +/- 2 degrees)
Street Price: $400/$500
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