Mizuno ST-Z 230 Driver Flex:Stiff / 9.5 Highly water-resistant design with Never-Wet

Highly water-resistant design with Never-Wet treatment to keep you cool & dry

We’ve provided complete adjustability with our lightweight OptiFit 3 Hosel

The wells are sturdy and spacious to keep clubs protected

Mesh and synthetic upper

Mizuno ST-Z 230 Driver Flex:Stiff / 9.5 Highly water-resistant design with Never-WetA straight bias driver with excellent stability from off center hits. Similar in look and character to the previous ST Z. Boosted by the CORTECH Chamber to be faster from the face, spin less and deliver an incredible, solid sensation at impact. TECHNICAL DETAILS Highly resilient Forged SAT2041 Beta Ti Face: As a high strength Beta Ti, SAT2041 maintains its characteristics and resists micro fractures for longer than the commonly used 6 4 Ti. Quick