It has useful forgiveness for its category, but it is not designed as a maximum-forgiveness fairway wood. The ST-G is more about fast ball speed, lower spin and control, so it is better suited to confident fairway wood players and better ball strikers.
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 a premium titanium fairway wood, ST-G models can sit higher in the used market than some older steel fairway woods.
They can still offer good value for golfers who want a lower-spin Mizuno fairway wood, especially if the listed loft, shaft, flex and condition suit the player.
Fairway wood technology usually remains competitive for several years. A well-kept Mizuno ST-G 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 titanium construction, CORTECH Chamber and stronger low-spin profile.
Golfers coming from older Mizuno fairways may see better speed, a flatter flight and more control from the tee, but the biggest benefit comes from choosing the ST-G loft and shaft that match the flight and forgiveness they need.