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👉 Check Latest PriceThe Pro S-1 Irons are a pure muscle back engineered for players seeking unparalleled precision and workability. They're crafted from a single billet of 1025E Pure Select Mild Carbon Steel with a thin copper underlay using Mizuno's legendary Grain Flow Forged HD process in Hiroshima, Japan, delivering the unmistakably soft and responsive feel Mizuno is renowned for.
Based on feedback and input from tour staff professionals, Mizuno fashions the Pro S-1 with a more squared-off shape and toe. The irons feature an innovative Channel Back Design, which allows mass to be subtly yet strategically repositioned behind the face. The result is greater vertical MOI and stability, as well as exceptionally consistent launch conditions. Additionally, the channel creates a tour-preferred, firmer, and more responsive impact sensation without sacrificing Mizuno's iconic feel.
Mizuno's tour staff also played a pivotal role in developing the Pro S-1's sole. Showcasing a flatter camber profile, a sharpened leading edge, and an increased bounce angle, this new design ensures smoother turf interaction, especially for those with shallower swing paths, while minimizing digging for players who maintain aggressive attack angles.
Mizuno Pro S-1 Irons - Feature:
Single-piece forged muscle back blade designed for those who prioritize supreme accuracy, precision, workability, and feel
Grain Flow Forged HD in Hiroshima, Japan, from a single billet of 1025E Pure Select Mild Carbon Steel with a thin copper underlay to produce Mizuno's legendary feel and feedback
More squared-off shape and toe based on Mizuno's tour staff player feedback and input
Channel Back Design repositions mass vertically to create greater stability and consistent launch conditions with enhanced responsiveness
Tour-tested sole, including a flatter camber profile, sharpened leading edge, and increased bounce angle, ensures smooth turf interaction and minimizes digging
Nearly identical specs to the Pro S-3 for ease of set blending
Stock Shaft: KBS TOUR
Stock Grip: Golf Pride Tour Velvet
Authorised Mizuno Retailer