The Mizuno S-1 irons are new before 2025 with the pure muscle-forged knife a successor to the Pro 241 model.
The new design replaces it Mizuno Pro 241 In the line -up of the brand and target purists and tour players as one of the most stylish knives on the market.
Just like the previous model, the S-1 irons offer the ultimate sense of precision and shot formation with some design adjustments that extract more improvement.
The S-1 is the latest release in Mizuno’s Signature Series and joins the already launched S-3 ironsThat is a shallow cavity-back iron with the classic appearance of traditional blades.
Mizuno Pro S-1 Irons Specs & Design
The S-1 irons are an upgrade of the Pro 241, but remain a stunning knife with a compact shape, square toe, thin topline and a straight edge inspired by Tour for preferred visuals at address.
Again, this model is a falsified knife that is mainly designed for elite and better players who demand that ultimate precision, feeling and shot-shaping demand.
Like all Mizuno Blades, they have forged a grain stream -meshed HD construction with each iron in Hiroshima of a single ticket of 1025th pure Select mild carbon steel.
The result of the forging process in Japan is a very tight grain structure for exceptional feeling, feedback and consistency through the set.
The S-1 has a subtle channel that runs through the back to redistribute mass vertically and bring the center of gravity (CG) closer to the ideal barrier, which improves the consistency and stability of the launch.
There is also a thin layer of copper that is under the chromed plates of the irons to subtly soften vibrations and to deliver a characteristic “buttery” feeling.
The Harmonic Impact Technology (HIT) helps to refine the sound and vibrations of the club for improved feeling by impact.
Mizuno has opted for refined some geometry in the S-1 with a flatter camber, a sharper front edge and an extra degree of bounce compared to the previous 241.
The new sole design helps to reduce digging and to improve forgiveness on shallower strikes for maximum distance time over time.
In a switch of the Pro 241 series, Mizuno removed the 3-iron option in the S-1 range with the set not only 4-iron (24 degrees) to Pitching-Wedge (46 degrees)
Mizuno S-1 Irons Review: Are they good?
The S-1 serves as a solid successor to the Pro 241 with feeling, control and feedback that they are about instead of forgiveness and distance.
For those looking for more forgiveness, the S-3 is the go-to option in the Mizuno-Up as the cavity of a compact players … but it is the feeling that you want the S-1’s really the company.
The tweaks made from the Pro 241 to the S-1 have improved the performance of these knives, including the only refinement that adds the consistency to Ball-Slooping.
They are one of the best classic muscle back magazines launched in 2025.
FAQs
What is the release date of Mizuno S-1 Irons?
The new irons were released in July 2025.
How many do Mizuno S-1 irons cost?
The IJzers Retail for $ 215 per club or around $ 1,400 for a set with seven club.
What are the Mizuno S-1 specifications?
There is no 3-iron in the S-1 range, a switch of the Pro 241 series. The S-1’s are now available in 4-iron (24 degrees) to Pitching-Wedge (46 degrees).
James is an avid golfer and reviews golf equipment and new equipment for golfoverviewsguide.com and offers the latest golf news. You will find it on a golf course where possible.
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