Mizuno Pro S-4 Iron Set

The Mizuno Pro S-4 Iron Set delivers the precision, compact shaping, and signature forged feel of Mizuno Pro with added forgiveness and an easier, higher launch. As the most forgiving model in the Mizuno Pro Signature Series, the S-4 combines a player-preferred cavity-back profile with increased offset, a wider sole, lower sweet spot, and deeper center of gravity. Each of these design elements progressively changes throughout the set, creating forgiving, high-launching long irons that transition seamlessly into compact scoring irons built for accuracy and control.

Mizuno's renowned Grain Flow Forged HD construction uses a single billet of 1025E Mild Carbon Steel, complemented by a copper underlay for the exceptionally soft yet responsive impact feel associated with Mizuno Pro. A redesigned curved muscle cavity positions more mass lower in the head to increase stability and launch, while the Triple Cut Sole uses beveled leading and trailing edges for efficient turf interaction through a variety of lies. Harmonic Impact Technology further refines vibration and sound at impact, completing a player's cavity back that delivers confidence and playability without sacrificing feedback or control.

• Most forgiving model in the Mizuno Pro Signature Series
• Compact cavity-back profile combines player-preferred shaping with added forgiveness and higher launch
• Grain Flow Forged HD from a single billet of 1025E Mild Carbon Steel in Japan for exceptionally soft feel and precise feedback
• Copper underlay further enhances the soft, responsive impact sensation associated with Mizuno Pro irons
• Increased offset, wider sole, and deeper center of gravity than the Pro S-1 and S-3 promote easier launch and greater forgiveness
• Redesigned curved muscle cavity positions mass lower in the head for increased launch, stability, and forgiveness
• Progressive head geometries create higher-launching, forgiving long irons that transition into compact, control-focused scoring irons
• Triple Cut Sole features beveled leading and trailing edges for smoother entry and exit through the turf
• Harmonic Impact Technology precisely tunes vibration and sound for a solid, refined impact sensation
• Stock True Temper Dynamic Gold Mid 115 steel shaft with Golf Pride Z-Cord grip

The Mizuno Pro S-4 Iron Set combines signature Mizuno forged feel and precision with higher launch and added forgiveness for players seeking greater playability in a compact profile.