The JPX ONE driver is a new lineup aimed at delivering faster ball speed, high forgiveness and Mizuno’s distinctive impact feel. The “ONE” name replaces the previous JPX 923 and 925 naming, and is intended to signal a new start and an aim for No. 1, the company said.
At the center of the club is the NANOALLOY™ FACE, which Mizuno Korea said is the first time the technology has been applied to a golf club head. Nanoalloy is a proprietary material technology developed by Japan’s Toray Industries Inc. that becomes momentarily softer when struck, the company said.
Mizuno said it applied a 0.4 mm nanoalloy layer on top of a forged titanium face (6-4Ti). The company said the face deforms first at impact, limiting excessive deformation of the golf ball and improving energy transfer efficiency to achieve its highest ball speed to date. In its own robot testing, Mizuno said the nanoalloy face produced the fastest ball speed compared with nylon, urethane and titanium materials.
Mizuno said the nanoalloy face also deforms more across the entire face at impact, helping reduce ball-speed loss on off-center hits and maintain distance. The company said its NEW CORTECH FACE design makes the forged face thinner, expanding the area with a coefficient of restitution (COR) of 0.8 or higher and maximizing the nanoalloy effect.
The driver uses a Light Composite Carbon Crown to reduce weight in the upper part of the head, and a Ti811 body and weight-part design to help keep head balance stable at impact, Mizuno said. The face design was kept simple to avoid distracting players. The model targets golfers with average head speed, with a focus on high rebound and forgiveness, and is based on the stable forgiveness design of the ST-MAX line, the company said.
For the new products, Mizuno said it widened the gap between the steel core and the body, allowing the face to flex more and helping prevent ball-speed drops on mishits. The company also applied its CORTECH FACE technology, with a thicker center and thinner perimeter to amplify face flex. Compared with the previous model, it said the center section was made thinner to increase deformation and pursue higher rebound performance. Mizuno said it also extended the carbon composite crown to the sole toe side to free up discretionary weight and enable a high moment of inertia (MOI) design.
Mizuno said the JPX ONE utility clubs also use the improved CORTECH CHAMBER structure to enhance rebound and minimize ball-speed loss on off-center strikes by widening the gap between the steel core and the body. The face uses a high-strength maraging steel (MAS1C), which the company said allows a thinner face while maintaining high rebound performance. Mizuno said a waffle crown structure reduces weight while maintaining strength, freeing up discretionary weight and enabling a high-MOI design.
A Mizuno Korea official said, “The JPX ONE driver is a symbolic model that applies the material technology Mizuno has built up as a total sports brand to golf,” adding, “For golfers with average head speed who want to gain distance more easily, it will set a new standard for JPX.”
Mizuno Korea said the new JPX ONE driver and woods are available at its official dealers nationwide and its official online store. More details are available on the Mizuno Korea website.
* This article has been translated by AI.
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