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Mizuno launches new Pro S-3 forged irons

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When you think of forged irons, Mizuno is one of the first names that comes to a golfer’s brain. Mizuno has been considered a leader in forging for decades now. The company’s latest Grain Flow Forged HD creation is the Pro S-3 iron. The Mizuno Pro S-3 is designed for highly skilled players who want that soft Mizuno forged feel with the ability to precisely work the ball around the course.

Using their Grain Flow Forged HD technology in Japan, the Pro S-3 is crafted from 1025E Pure Select Mild Carbon steel. When you put those two together and then pair it up with Mizuno’s copper underlay, you will be getting an iron that offers exceptional softness as well as a great responsiveness on all shots. Mizuno spent lots of time refining the iron to ensure vibrations are managed to give a smooth and solid feel.

Mizuno sought to design the Pro S-3 irons with the most discerning players in mind. We saw Adam Schenk with an early set in play at the Sanderson Farms Championship in October of last year on the PGA Tour. A thin topline and a more compact head length give the Pro S-3 irons a tour-inspired look. Mizuno’s goal was to create an iron that looks sleek and classic without any bulk. The heads overall have straighter and more edgy lines with the shorter irons looking a little more boxy than the long irons.

Another big story is the new sole that Mizuno designed for the Pro S-3, the Triple Cut Sole. It starts with a beveled leading edge that allows the iron’s leading edge to get down under the ball for more solid strikes. The trailing edge of the sole also features some relief ground into it for easy release as the club leaves the turf and better control during impact. Finally the new sole geometry that was created to give the iron consistency in any playing condition.

Mizuno Pro S-3 irons are meant for the skilled golfer who is looking for a timeless iron that provides exceptional feel and precise control of any shot.

Pricing , specs, availability

Price: $1,600 ($200 per iron in steel)

In-store: 2/6/2025

I have been an employee at GolfWRX since 2016. In that time I have been helping create content on GolfWRX Radio, GolfWRX YouTube, as well as writing for the front page. Self-proclaimed gear junkie who loves all sorts of golf equipment as well as building golf clubs!

5 Comments

5 Comments

  1. Pingback: Best irons of 2025: The shotmakers – GolfWRX

  2. Pingback: Mizuno Pro S-3 irons review. Softest Mizuno irons ever? – GolfWRX

  3. Pingback: Mizuno announces Pro S, Pro X golf balls – GolfWRX

  4. O

    Jan 7, 2025 at 5:35 pm

    Remind me of the sc18s. Meh…

  5. MC

    Jan 7, 2025 at 1:13 pm

    I really can’t believe the offset in these irons. They are essentially the MMC 20 irons in satin. Ugh, no thanks.

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Equipment

Slab city on the Korn Ferry Tour — Lead Tape Report

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This week, we have our Tour Photographer, Greg Moore, on the ground at the OccuNet Classic at Tascosa Golf Club in Amarillo, Texas, for the 14th event of the 2026 Korn Ferry Tour season. With that, we see some great things in the Lead Tape Report as we roll into Amarillo.

Joel Thelen

Monday Qualifier, Joel Thelen is in the field this week. He has played on the Korn Ferry Tour for a full season in 2023, and he is back in action this week. A couple of clubs caught my eye this week in his bag.

First off: His trusted Titleist 816 H2 hybrid. This club came out in October of 2015, and it still remains strong in the bag. Also, take a look at this Odyssey White Hot OG 7, putting a capital S in the 7S model. This custom neck has some impressive lean for an arm-lock-style putter. The bottom of the putter is covered in tape for optimal weighting.

Mitchell Meissner

Taking a look at Mitchell Meissner’s bag this week, we have some great lead tape coverage. Top to bottom working from fairway metals, irons, and wedges. We can see on the short irons and wedges that there is tape at the base of the grip, adding a little counterbalance. Along with that, some tape on the short irons and wedges as well. Moving to his putter, he rolls the Odyssey 7 Bird putter. Meissner putts left-handed and strikes the ball right-handed. 

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Whats in the Bag

Bud Cauley WITB 2026 (June)

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Bud Cauley had >14 clubs in his bag when photographed prior to the Memorial Tournament.

Driver: Titleist GTS2 (8 degrees)
Shaft: Fujikura Ventus Black 6 X

3-wood: Titleist GTS3 (15 degrees, B1 SureFit setting)
Shaft: Mitsubishi Chemical Tensei 1K Pro Red 70 TX

7-wood: Titleist GTS3 (21 degrees, D1 SureFit setting)
Shaft: Mitsubishi Chemical Tensei 1K Pro Red 80 TX

Irons: Titleist U505 (3), Titleist 620 MB (4-9)
Shafts: Fujikura Ventus Black HB 8 X, True Temper Dynamic Gold Tour Issue

Wedges: Titleist Vokey Design SM11 (48-10F, 52-12F, 56-14F), WedgeWorks (60-K*)
Shafts: True Temper Dynamic Gold Tour Issue S400

Putters: Scotty Cameron Tour Prototype, Scotty Cameron GOLO 6.3 Prototype

Grips: Golf Pride Tour Velvet Align

Ball: Titleist Pro V1

See more in-hand photos of Bud Cauley’s clubs here.

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Equipment

Name every set of irons you’ve owned – GolfWRXers discuss

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In our forums, one user has offered up a prompt for the true sickos, inviting fellow forum members to share every set of irons they’ve ever owned. As to be expected, this is a lengthy forum topic.

@Lamosteve began:

Can you name every set of irons you’ve owned? Here’s mine

Spalding Dots
Spalding Eclipse
Ram Lazer FX
Lynx Parallax
Mizuno EZ Comp
Ben Hogans
Cleveland CG Red
Taylor Made R9s
PING i20
PING iE1
Taylor Made M6

Our members in the forum have been offering up their own collections. Here are a few posts from the thread, but make sure to check out the entire discussion and have your say at the link below.

  • macedan: “Started with a hand-me-down Golden Bear set from my brother when I was in high school, never really played more than once a year or got into the game until about summer of 2017. First purchased a set of Cleveland CG4’s (I actually really miss this set sometimes, soft & not terribly large for a GI iron), moved into Nike Vapor Fly’s by the end of the year. Those lasted until spring of 18 when I decided I wanted new, so I traded them in for TM Rbladez. Honestly, although I liked the Rbladez, poor decision on my part, I think this was really about the only time so far that after a week or two I was kicking myself for not staying with what I had. Rbladez stayed with me until late last summer when I switched to P790’s and (knock on wood) I am hoping this will be my longest lasting set.”
  • JimmyC59: “MacGregor Jack Nicklaus Triple Crown. Palmer The Standard. Still play these.”
  • jgrzask: “Tommy Armour 845u
    Mizuno MP-32
    Mizuno MP-33 (2 sets)
    Bridgestone J33cb – still own
    Srixon i-302 (2 sets) – still own
    Tourstage X-Blades – still own
    Mizuno Hot Metal – still own
    Nike Forged Blades – still own
    Titleist 714 AP1 – still own
    Cobra Forged SS – still own”

Entire Thread: “Name every set of irons you’ve owned.”

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