Designer Q&A: Callaway XR OS irons
Dr. Alan Hocknell from the Callaway R&D team tells about the technology in the new Callaway XR OS irons and explains which golfers would benefit from it.
Dr. Alan Hocknell from the Callaway R&D team tells about the technology in the new Callaway XR OS irons and explains which golfers would benefit from it.