"These are the crème de la crème of players' irons, delivering unmatched feel, workability and total ball control through the use of the cutting-edge 3D Muscle Pad."
—Chris Voshall, R-and-D golf engineer
"This is the first multimaterial forged iron that Mizuno has created in the U.S. With the breakthrough Dual Muscle Titanium technology, we were able to forge a high-tech titanium into the outer muscle without using any adhesives or welding. We've maintained the soft, solid, consistent feel that MP iron players have come to expect, while also taking playability in an MP iron to a new technological level."
—David Llewellyn, golf club R-and-D manager
"With its Y-Tune Pro technology, the MX-300 is what we call the ultimate game-improvement iron. It delivers Grain Flow Forged feel and a compact head shape with minimal progressive offset, all in a forgiving cavity-back design."