The 2025 Mizuno Pro S-1 Irons are pure muscle-back blades crafted for elite ball strikers, offering unmatched precision and workability through Mizuno’s Grain Flow Forged HD process using 1025E Pure Select Mild Carbon Steel. With a refined Channel Back Design, copper underlay, and tour-inspired aesthetics, these irons deliver a buttery-soft feel and consistent performance for low-handicap golfers.
Fast Facts Mizuno Pro S-1 Irons
- Better player category
- Forged 1025E mild carbon steel
- Channel (muscle) back design
- Copper underlay
- Nickel chrome satin finish
- Stock lofts:5-iron 27°, pitching wedge 46°
- Stock shaft: KBS Tour 120 (42 options)
- Stock grip: Golf Pride Tour Velvet (40 options)
- At retail: September 11
- Set: seven at $1,400
Photo: Mizuno Pro S-1 Irons
WYNTK: Mizuno Pro S-1 Irons
The 2025 Mizuno Pro S-1 Irons are compact muscle-back blades with minimal offset and a channel back design, forged in Japan using Mizuno’s Grain Flow Forged HD process over a copper underlay for enhanced feedback and reduced vibration.
Tailored for elite golfers, they feature a flatter sole with a sharper leading edge and increased bounce for improved ball contact and smoother turf interaction.
Available for pre-order August 28 and in stores September 11 at $215 per club.
