We tested the Callaway XR OS irons on the practice field at Moor Allerton in Leeds.
Data was captured using our SkyTrak launch monitor and we used non-premium balls.
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First impressions of the Callaway XR OS irons
Well the clue is in the name – these are over-sized game-improvement irons.
They are much bigger than the previous XR irons and are possibly the largest iron we have tested this year.

They’ve got loads of shelf appeal though and look really cool.
The previous XR irons were more aimed at the mid-handicappers and even the better players with the XR Pro version.
These look squarely aimed at those with a handicap of 16 or above or players who struggle to get their irons launching.
Technology in the Callaway XR OS irons
There’s a much wider sole than what we’ve seen previously which will help people get the ball in the air and offer more forgiveness right across the face.

