Yes. The ST-Z fairway range offers useful forgiveness, easy launch and good speed from different strike locations. It gives a strong balance of stability, speed and control without looking overly oversized behind the ball.
Yes. Mizuno is a highly respected golf equipment brand, especially known for irons, and has continued to develop strong metalwood ranges for golfers who want clean looks, speed and feel.
As an older premium model, ST-Z fairway woods can offer strong value on the used market. They are modern enough to provide useful fairway wood technology, while often costing less than newer Mizuno ranges.
Fairway wood technology usually remains competitive for several years. A well-kept Mizuno ST-Z fairway wood should remain a strong option for a long time if the loft, shaft, model and condition suit the player.
The main improvement is the MAS1C face, carbon crown construction and Wave sole design.
Golfers coming from older Mizuno fairways may see better speed, easier launch and more confidence from a variety of lies, but the biggest benefit comes from choosing the ST-Z loft and shaft that match the flight and forgiveness they need.