Mizuno Pro S-1
Mizuno Pro S-1 (2025) is a muscle-back iron set. It has minimal offset, a thin topline and a narrow sole. It is forged. It is rated for swing speeds of 95 to 125 mph and handicaps of 0 to 5. It listed at $1,505 when it launched in 2025.
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Mizuno Pro S-1 specs
Specs come from the FitMySwing catalog. Ratings out of 10 are our own.
| Brand | Mizuno |
|---|---|
| Model year | 2025 |
| Status | Current |
| Approx. launch price | $1,505 |
| Type | Muscle back |
| Construction | Forged |
| Material | Grain Flow Forged HD 1025E mild carbon steel, copper underlay |
| Set make-up | 4-PW |
| 7-iron loft | 34° |
| Offset | Minimal |
| Topline | Thin |
| Sole width | Narrow |
| Launch | Low |
| Spin | High |
| Swing speed range | 95 to 125 mph |
| Handicap range | 0 to 5 |
| Forgiveness rating | 3 out of 10 |
| Workability rating | 10 out of 10 |
| Feel rating | 10 out of 10 |
| Key technology | Channel back design, copper underlay, flatter tour sole |
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Where these specs come from
Verified. Two or more separate pages show this model exists, and its specs were read from a source page.
Specs read from golf.com, mizunogolf.com
Model confirmed on golf.com, mizunogolf.com
Where the fit profile comes from
5 of 9 fit values come from Mizuno or a published rule. The rest are our own ratings.
| Type | muscle-back | Mizuno says “The Mizuno Pro S-1 irons are pure muscle backs” |
|---|---|---|
| Launch | low | Our rating |
| Spin | high | Our rating |
| Forgiveness | 3 | Rule R-IRN-FORG |
| Workability | 10 | Rule R-IRN-WORK |
| Handicap window | 0-5 | Rule R-IRN-HCP |
| Swing speed window | 95-125 mph | Our rating |
Who the Mizuno Pro S-1 suits
- Skilled ball-strikers who shape shots and want the most feel.
- Its forgiveness rating is 3 out of 10. It gives less help on off-centre hits than most clubs of its type.
- It is rated for faster swings. Below 95 mph you may not get the launch it is built for.
- It is rated up to a 5 handicap. Higher handicaps usually want more forgiveness.
Similar to the Mizuno Pro S-1
Picked from the catalog for a similar player and similar numbers, from more than one brand.
- Wilson Staff Staff Model BladeWilson Staff2026 · $1,400 · 95 to 125 mph
- Ping Blueprint TPing2024 · $1,600 · 95 to 125 mph
- Callaway Apex MBCallaway2023 · $1,400 · 95 to 125 mph
- Srixon Z-Forged IISrixon2023 · $1,000 · 95 to 125 mph
Mizuno Pro S-1: common questions
Who is the Mizuno Pro S-1 for?
It is rated for swing speeds of 95 to 125 mph and handicaps of 0 to 5. Skilled ball-strikers who shape shots and want the most feel.
How much does the Mizuno Pro S-1 cost?
It listed at about $1,505 at launch in 2025.
Is the Mizuno Pro S-1 forgiving?
We rate its forgiveness 3 out of 10.
What are alternatives to the Mizuno Pro S-1?
Similar irons in our catalog include the Wilson Staff Staff Model Blade (2026), the Ping Blueprint T (2024), the Callaway Apex MB (2023) and the Srixon Z-Forged II (2023).
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