UST Mamiya's "ATTAS SPEED" is an innovative golf shaft that adopts the lightest design in ATTAS series history, weighing in the 40g range. By combining lightweight construction with supple flexibility, it achieves a natural sense of speed and a smooth swing-through. It has the characteristic of being able to significantly increase distance even without a fast head speed, making it suitable for a wide range of golfers, from beginners to advanced players.
Particularly noteworthy is that two types of flex, "F-1" and "F-2," are available for drivers, fairway woods, and hybrids, respectively. F-1 is ideal for those seeking a lighter and softer feel, while F-2 is best for those who prefer a slightly firmer impact. The "F" in the flex designation stands for "Feather," and as the name suggests, it allows you to experience a light and sharp swing.
Developed under the theme of "SPEED × Flexibility = Ideal Swing," ATTAS SPEED is perfect for those who want to increase their distance or aim for a stable trajectory. While lightweight, its excellent operability maximizes the enjoyment of play.
An "iron combo set" simply means a club setup that combines different models of irons within a single set.
In the past, it was common to "have the same model from 5-iron to PW," but in recent years, among tour pros, a system of
"more forgiving for long to mid irons, and emphasis on operability for short irons"
has become mainstream.
1. Why is the "combo set" gaining popularity?
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 are evolving towards reduced spin to enhance distance performance.
As a result, with conventional muscle-back (01 series) long irons, even with a pro's head speed, it is becoming increasingly difficult for the ball to get airborne and for it to stop on the green due to insufficient spin.
Role change from "distance" to "stopping"
For pros, long irons (4-5 iron) are not just for 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 is an increasing trend to combine highly forgiving models that feature thicker soles and hollow structures.
2. If you're building with PRGR? Recommended combos
PRGR's 01-02 series actually offers a lineup that makes combo settings very easy to assemble.
Classic Athlete Combo: 01 × 02
・4-6 iron: 02 IRON (Launches high and provides easy distance)
・7 iron-PW: 01 IRON (Emphasizes operability and feel)
Key points
Since the 7-iron of the 01 (loft 32°) is combined with the 6-iron of the 02 (28°),
the loft progression is natural, and a combo setting with minimal difference in feel and no discomfort is possible.
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