It looks like the new Srixon ZX Prototype irons are hitting the PGA Tour.
Srixon is giving us a sneak peek at its new ZX Prototype irons. According to information provided by Srixon, it is anticipating that “some” of its Tour staff will switch to the new irons this week at the Procore Championship in Napa Valley. The brand indicates that the new 2025 irons will be called the Srixon ZXi line. However, that could change by the time the irons are officially released in January.
For simplicity, we will refer to them as ZXi.
These photos were provided to us by Srixon as a kind of unofficial teaser for the new line. Srixon has been on a two-year life cycle for its forged irons, and the new ZXi7 and ZXi5 appear to be direct replacements for the current ZX7 and ZX5 MkII irons. which were published in January 2023.
Srixon ZX Prototype Irons: ZXi7
If these photos are any indication, the new ZXi7 is a single hollow-back forged iron. Like its predecessor, the ZXi7 features the Pureframe, a hollow-forged ridge to add extra mass to the sweet spot. The biggest difference we can see between the ZX7 and the new ZXi7 is that the dash looks a bit bigger and more pronounced on the new model.
The ZXi7 also appears to incorporate Srixon’s signature VT-Sole for better traction on the ground. We also see tread dots on the heel and toe to reduce drag and get you through the terrain better whether you’re standing or flat.
A few recent iterations of Srixon Irons have been top performers in MyGolfSpy testing. The current ZX7 Mk II finished second overall in the 2023 Player’s Iron Test and fifth in 2024.
ZXi5: Even bigger shoes to fill
The Srixon ZX5 Mk II ranks as one of the the best cuffs MyGolfSpy has ever tested. He won top honors in the player’s distance category in 2023 and 2024, making him one of the few back-to-back champions in our Test history.
The Srixon ZXi5 has all the hallmarks of its predecessor. It appears to be a multi-piece forged iron with Srixon’s Mainframe face technology. Mainframe is Srixon’s computer-designed variable face thickness arrangement. The grooves, channels and cavities created on the back of the face are designed to optimize launch and ball speed.
Srixon could have used the industry buzzword “AI” when describing Mainframe. However, the use of the term has been consistently avoided. Whether the “i” in ZXi stands for some sort of intelligence, artificial or otherwise, we’ll find out in January when the hardware is officially released. For what it’s worth, both irons have “i-Forged” in the gut.
The ZX5 face was forged from SUP10, a high quality spring steel. Body was 1020 forged carbon steel.
There appear to be minor differences in the cavity geometry on the new ZXi5 compared to the 2023 model. However, when you have a champion twice the distance of the best player’s iron, you don’t need a major adjustment .
Like the ZXi7, the ZXi5 also features Srixon’s VT sole, as well as heel and toe points.
Srixon ZX prototype irons: Made for mixing?
Srixon specially designed ZX Mk II series in 2023 for seamless group mixing. The main lines on all four models, including the game-enhancing ZX4 and the ZX utility irons, were identical. The blade length, sole width and offset differences between the sets were on the rise, making the transition from one iron to the next smoother.
It’s a smart move that’s gaining momentum in the industry. For its part, Srixon says 75 percent of its iron sales are custom orders.
Only the ZXi5 and ZXi7 are appearing on Tour this week. However, we can anticipate updates to the ZX4 series of irons and the ZX utility series for 2025. Additionally, it shouldn’t be long before Srixon’s new drivers, pairways and hybrids make an appearance on Tour as well.
The 2023 Metalwood formation is already being created downloaded from the Srixon website. The ZX Mk II rears, however, remain full price for now.
Your opinions?
Srixon has been a growing brand for the past five years. It has also quickly become a cult favorite among MyGolfSpy readers. Therefore, we must ask…
What are your impressions of the new Srixon ZX prototypes?
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