- 360 Face Cup
- Low CG, High MOI
- New Construction And Shape
Golf Digest Hot List Gold Medal Winner! The XR Irons are the first high speed, cavity back, cup-face iron. Our improved 360 Face Cup technology provides outrageous ball speed all across the face.
Callaway engineers have taken the face cup technology that’s redefined ball speed in fairway woods and brought it to irons. The improved Cup 360 acts like a spring to increase ball speeds on shots hit low on the face, as well as every other impact location. Callaway’s Internal Standing Wave design has refined the way the center of gravity (CG) is lowered, increased the moment of inertia (MOI) and gives the face cup the freedom to flex for more ball speed. The XR Irons also feature a two-piece construction that includes a dual heat treatment—a precise, meticulous craftsmanship that brings an exceptional level of refinement to the design process.
360 Face Cup
For the first time ever, we’re putting cup-faced technology into a cavity back iron. Our 360 Face Cup provides outrageous ball speed all across the face.
Low CG, High MOI
The Internal Standing Wave is the ultimate team player. It’s refined the way that we lower CG, increased MOI and gives the face cup the freedom to provide more ball speed.
New Construction And Shape
An iron built for speed needs a different level of refinement and attention, in this case a 2-piece construction that includes a dual heat treatment. It’s precise, meticulous craftsmanship that XR deserves
Speed Step (Steel)
From Mark Crossfield:
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