Mizuno JPX 925 Forged IronsCORTECH design featuring Contour Ellipse Face At the core of the JPX 925 Forged irons is the revolutionary CORTECH Design, featuring a Contour Ellipse Face. By integrating this advanced multi thickness face profile, Mizuno has bridged the gap between the explosive distance of the Hot Metal series and the unmatched feel of forged irons. This new design optimises ball speed across the entire face, ensuring consistent performance even on off centre