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 withMizuno’s forged heritage.

REDESIGNED CURVED MUSCLE:

Concentrates mass lower in the head to deliver increased forgiveness, higher launch and greater stability while maintaining the classic Mizuno Pro profile.

GRAIN FLOW FORGED HD:

Forged from a single billet of 1025E Mild Carbon Steel in Hiroshima, Japan for the unmistakable soft feel and precise feedback only Mizuno can deliver.

PROGRESSIVE HEAD GEOMETRY:  

Increased offset, wider sole and a deeper center of gravity inspire confidence at address while promoting easier launch and greater forgiveness.

TRIPLE CUT SOLE:

Beveled leading and trailing edges improve turf interaction for smoother entry and exit through impact.

COPPER UNDERLAY:

Further enhances the soft, responsive feel that has become synonymous with Mizuno Pro forged irons.HARMONIC IMPACT

TECHNOLOGY (HIT):

Precisely tuned vibration characteristics create the solid, refined impact sensation expected from Mizuno’s premium forged irons.