The Mizuno Pro S-1 Irons are a tour-inspired muscle back set built for elite ball strikers who demand pure feedback, precision, and a timeless look. Forged in Hiroshima, Japan using Mizunos most advanced technologies, the S-1 delivers unmatched feel and control in every swing.

Key Features

• Grain Flow Forged HD: Forged from a single billet of 1025E Pure Select Mild Carbon Steel for a buttery-soft, consistent feel.
• Channel Back Design: Repositions mass for vertical stability and a more consistent center of gravity.
• Harmonic Impact Technology (H.I.T.): Fine-tunes vibration frequencies for responsive, solid impact feedback.
• Copper Underlay: A thin copper layer beneath the chrome plating enhances the sensory connection and softens vibration.
• Tour-refined sole geometry: Flatter camber, sharpened leading edge, and added bounce provide crisp turf interaction and allow confident, aggressive swings.
• Soft White Satin finish: Reduces glare while delivering a premium, tour-ready aesthetic.

Specifications

• Set Makeup: 4PW (Right & Left Hand)
• Shaft: KBS Tour 120 (Stiff)
• Grip: Golf Pride Tour Velvet
• Lofts: 24 (4i) to 46 (PW)
• Lie Angles: 60.5 (4i) to 63.5 (PW)
• Lengths: 38.5″ (4i) to 35.5″ (PW)

Additional Information
Designed with feedback from tour professionals, the Mizuno Pro S-1 Irons provide an elite blend of precision, responsive feel, and striking looks. Ideal for players who shape shots with confidence and demand perfection from every club in the bag.