The new Mizuno Pro S-1 irons are the latest Mizuno forged muscle back iron offering and include all the trademark characteristics of Mizuno forged irons from the past that golfers have loved. The Mizuno Pro S-1 irons join the Mizuno Pro S-3 irons in the new Mizuno Pro Signature Series irons.
So S1 S stands for signature series. Earlier this year, we launched the Mazuno Pro S3 iron, which was a very clean, classic uh shallow cavity design. This takes everything that has brings it to the muscle back world. So the Muno Pro S1 is going to take all those things that make a Mazuno golf club feel good, perform good, but ultimately it’s not about forgiveness. This is about feel and precision. So with that muscle back design, you’re going to see a couple things going on. You’re going to see a little channel back right here. It’s going to help us control that center of gravity ever so slightly, raise it on the scoring iron to give you that little bit more penetrating ball flight, but also slightly increase the vertical MOI as well, just so you get really consistent launch conditions. All that in a package that’s extremely thin, extremely small, and feels like nothing you’ve ever hit
 
 
 
 
 
 
 
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holy shh… this is what I needed to finally upgrade from the old mp67