September’s Top-Selling Irons: Srixon and Mizuno Dominate Fairway Jockey Rankings

Irons once again claimed the top positions on Fairway Jockey’s September best-seller list, with two manufacturers accounting for four of the five highest-performing models. Srixon’s established favorite, the ZXi5, ascended to the number one spot this month, trailed closely by its better-player counterpart, the ZXi7.

Mizuno secured two positions with the Pro S-4 and Pro M-15, while Titleist’s popular T150 slotted in between them.

If these models align with your game, continue reading for a detailed breakdown of their attributes and technologies.

Srixon ZXi5 Irons

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This forged-face construction integrates Srixon’s MainFrame technology to amplify ball speed and enhance forgiveness, while a Tour V.T. sole promotes solid feel, fast ball speeds, and smooth turf interaction.

Srixon ZXi7 Irons

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Designed for accomplished ball-strikers, the ZXi7 irons feature the latest iteration of Srixon’s PureFrame technology—a steel insert forged directly into the iron body to dampen vibrations—delivering exceptional feel at impact.

Mizuno Pro S-4

Mizuno Pro S-4 Custom Irons

The Mizuno Pro S-4 has been engineered for accomplished golfers seeking the unmistakable feel of a forged iron with greater forgiveness and confidence throughout the set. A redesigned curved muscle concentrates mass lower in the head, while progressive offset, a wider sole and deeper center of gravity promote higher launch, increased stability and improved forgiveness without compromising the precision expected from Mizuno Pro.
Forged from a single billet of 1025E Mild Carbon Steel using Mizuno’s patented Grain Flow Forged HD process, the S-4 delivers the exceptional feel, feedback and workability synonymous with Mizuno’s forged heritage

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Debuting in early September, the Pro S-4 represents Mizuno’s better-player cavity-back offering. GOLF gear editor Jack Hirsh characterized the irons as ideal for skilled ball-strikers “who want a single-piece forged feel, but more forgiveness without the additional speed of a larger iron.”

Mizuno Pro M-15 Irons

Mizuno Pro M-15 Custom Irons

The Mizuno Pro M-13 and M-15, part of the all-new Modern Series. Sitting alongside the existing Signature Series (S-1 and S-3), the Modern Series represents a fresh evolution in forged performance. Engineered for players seeking a bit more speed, forgiveness, and playability, while maintaining the unmistakable Mizuno Pro shaping and feel. The Modern Series debuts with two distinct models, each designed for a specific type of ball striker. The M-13 features tour-preferred proportions and a faster, more consistent flight profile, while the M-15 delivers higher launch and additional forgiveness that blends smoothly through the set. Both retain the craftsmanship and forged heritage that define every Mizuno Pro iron.

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Since their January release, Mizuno’s Pro M-15 irons have maintained strong momentum, combining refined aesthetics, premium feel, and distance-enhancing technology in a cohesive package.

Titleist T150 Irons

Titleist 2025 T150 Custom Irons

T150 Irons are crafted for added distance with unwavering accuracy. Forged into a player’s shape with progressive blade lengths, T150 offers a precise blend of speed, stability, and consistency—providing the confidence to hit and hold greens from anywhere.   Confidence-Inspiring Forged Design  Forged into a player’s shape with a slightly larger head size for pure feel with extra stability. Elevated Ball Speed 1° stronger lofts (vs. T100) combine with an improved muscle channel through 7-iron and lower long-iron CG to help improve speed, launch, and carry. Superior Flight and Stability  Split high-density tungsten produces optimal CG with remarkable stability for precise shotmaking. Consistent Speed & Spin   New VFT technology and progressive groove design provide consistent spin and speed across the face in variable conditions. 

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A mainstay on the best-seller list for several months, this faster player’s iron sits among four models in the T-Series family. It delivers more speed and launch than its siblings while retaining a slightly larger yet still compact profile.

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