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Mizuno ST-Z Driver


Player Type
Clubs Type
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The ST-Z driver is constructed with the high strength Forged SAT2041 Beta Ti Face to deliver a spin efficient, straight line ball flight. CORTECH face design improves ball speed noticeably on low face strikes. This driver features Quick Switch Adjustability, with 4 degrees of loft variation for your preferred look and trajectory.


  • Balanced toe/heel carbon composite construction with deep central back weight.
  • Highly Resilient Forged SAT2041 Beta Ti Face - Resists micro fractures with incredible durability.
  • Optimized Wave Sole Plate - Contributes to enhanced ball speeds, especially low on the face.
  • Z Axis Design - Balanced carbon composite in the sole, with a deep central sole weight for a straight line flight with low spin.


Displaying 2 out of 2 Questions.

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This Project X Evenflow Riptide CB 50 Graphite shaft comes in 5.0, 5.5 and 6.0 flexes. I'm looking for 5.5. Do you have one?
asked by Tony W. on 10/5/2021
With Project X shafts, we will list 5.0 as senior, 5.5 as regular, and 6.0 as stiff flex in the listing.
Rudi Fann, PGA Professional
answered on 10/13/2021
Loft Angle: I'm 6'5", average driver club head speed of 120-125mph. My current driver is a 10.5 degree loft, and my drives go way too high, higher than my 9-iron, and an average spin rate of 2500-2700 rpm, and I get no roll. I've been told I need a driver with a loft angle of 8, or even 7 degrees to get the height down, but the STZ is only offered down to a 9.5 degree. Would this work for me to get my drives to spin less?
asked by Jackson M. on 1/19/2022
A lower loft would help but even more important would be the shaft. You would want to go with a low launch, low spin shaft in X-stiff flex.
Rudi Fann, PGA Professional
answered on 1/20/2022

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Technology / Specs

Mizuno ST-Z Driver

mizuno st-z driver hero

Low Spin with Incredible Stability

The new ST-Z Driver by Mizuno was designed with a low spin carbon construction, as well as a faster, more dynamic face that produces consistently high ball speeds.

mizuno st-z driver face

Durable Beta Ti Face

The face of the ST-Z Driver features a SAT 2041 Beta Titanium face that resists wear and tear over time for guaranteed results on every swing.

mizuno st-z driver structure

Cortech Face Structure Improves Ball Speed on Mishits

A multi-thickness Cortech Face Structure within the body of the ST-Z Driver helps in maximizing ball speed across more of the face, giving you more consistent results on off-center strikes.

mizuno st-z driver z axis design

Z-Axis Design Produces Straight Flight

A balance of carbon composite placement in the sole, as well as a central weight placed deep in the sole, combine to give you a low-spin and straighter ball flight.

mizuno st-z driver wave sole plate

Wave Sole Plate Delivers More Ball Speed

A wave-shaped sole plate helps in providing additional ball speed at impact, especially for swings low on the clubface.

Mizuno ST-Z Driver Specs

Model Loft Range Lie Range Volume Length Dexterity
9.5° 7.5° - 11.5° 56.5° - 59.5° 460cc 45" RH/LH
10.5° 8.5° - 12.5° 56.5° - 59.5° 460cc 45" RH

Mizuno ST-Z Driver Shaft Options

Shaft Name Flex Weight Trajectory
Project X EvenFlow Riptide CB 50 Regular 54g High
Project X EvenFlow Riptide CB 60 Stiff 62g High
Project X HZRDUS Smoke Black RDX 60 6.0 Stiff 58g Low
Project X HZRDUS Smoke Black RDX 60 6.5 X-Stiff 59g Low
Fujikura Motore X F3 5 Regular 58g Mid
Fujikura Motore X F3 6 Stiff 68g Mid

Mizuno ST-Z Driver Grip Options

Grip Name Weight Size Color
Lamkin ST Hybrid 360 53g Standard Black
Golf Pride J-Spec 112 37g Standard Black
adidas Bridgestone Golf Callaway Cleveland Cobra FootJoy Mizuno Nike Ping Puma Srixon TaylorMade Titleist Wilson adidas Bridgestone Golf Callaway Cleveland Cobra FootJoy Mizuno Nike Ping Puma Srixon TaylorMade Titleist Wilson
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