Mizuno S-1 Irons

The Mizuno Pro S-1 irons are the ultimate choice for elite ball strikers who value precision, feel, and control above all else. A true muscle back forged in Hiroshima, Japan, the S-1 showcases Mizuno’s renowned craftsmanship, combining timeless aesthetics with modern refinements for the purest playing experience. Benefits & Features

Grain Flow Forged HD Construction – Forged from a single billet of 1025E Pure Select Mild Carbon Steel, delivering the unmistakably soft, responsive Mizuno feel through impact.

Copper Underlay – A hidden layer of copper fine-tunes vibration patterns, enhancing feedback and producing Mizuno’s most satisfying, pure feel at strike.

Channel Back Design – Mass subtly repositioned to create a more consistent CG location, providing greater vertical stability, solid feel, and dependable launch conditions.

Tour-Tested Sole Geometry – Refined through player feedback with a flatter camber profile, sharper leading edge, and increased bounce for improved turf interaction and shot control.

Ultimate Precision & Workability – A compact, tour-preferred profile that rewards precise ball striking, offering shot-shaping ability and consistency demanded by professionals.