This is the second installment in the Lifelong Steel Series.
It's a steel shaft that uses the new material "NZNS60," developed over more than two years,
combining significant flex with lightness.
It's heavier than the first installment, "ZELOS 7,"
and designed for more active,
athlete-oriented seniors and
female pros/competitive female amateurs.
While maintaining the distance performance created by its significant flex,
it allows you to attack the pin more aggressively.
<PRGR Iron Strongest Combo>
An "iron combo set" simply refers to a club setup where different models of irons are combined within a single set.
It used to be common to have the same model from the 5-iron to the PW, but in recent years, among tour pros,
"easier long to mid-irons, and control-oriented short irons"
has become the mainstream way of using them.
1. Why are "combo sets" popular?
There are two main reasons.
These are "the evolution of ball performance" and "changes in green conditions."
Increased difficulty of long irons
Modern golf balls have evolved to suppress spin in order to improve distance performance.
As a result, with conventional muscle-back (01 series) long irons, even with a pro's head speed, it has become increasingly difficult for the ball to get airborne and for insufficient spin to hold the green.
Shift in role from "distance" to "stopping power"
For pros, long irons (4-5 irons) are not just about gaining distance.
They are clubs for aiming at the pin with a high trajectory and stopping the ball firmly on the green.
Therefore, for long to mid-irons,
there's an increasing trend to combine highly forgiving models that feature thicker sole designs or hollow structures.
2. What if you combine with PRGR? Recommended combos
PRGR's 01-02 series is actually a lineup that makes it very easy to create combo settings.
Classic Athlete Combo: 01 × 02
・4-6 irons: 02 IRON (easy to hit for high trajectory and distance)
・7-iron to PW: 01 IRON (focus on control and feel)
Points
Since the 7-iron of 01 (32° loft) is combined with the 6-iron of 02 (28°),
the loft progression is natural, and there's little difference in feel, allowing for a comfortable combo setting.
<Points>
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