Callaway XR OS Individual Iron with Graphite Shaft For the Callaway XR OS Irons, Callaway has taken their Trade-leading Face Cup technology that is helped make Callaway the number 1 iron in golf, made the Face Cup even faster, and put it into a much broader sole design that is More straightforward to hit and more forgiving. It is simple to launch and simple to pick out up distance with the Face Cup for players who need to add ball speed and hit the ball farther. Long With Our Trade-leading Face Cup Callaway has taken their Cup 360 technology that has redefined ball speed within the category, and helped Callaway transform the number 1 iron in Golf… and they have made it even faster! And with the multi-piece construction Callaway implemented a brand new warmth remedy within the face cup for much more ball speed, with a cushy warmth remedy at the body for better feel. More straightforward To Hit XR OS Irons are simple to launch with a Center of Gravity that is lower and additional back. It is simple so that you can get a ball flight that ends up in more distance. More Forgiving The soles are wider to provide you with more forgiveness, and It is More straightforward to get more distance out of each and every have an effect on location. You’ll be able to feel confident over the ball, and you’ve got the technology to hit excellent shots more consistently. Progressive Lengths and Lofts That will help you hit the ball farther, Callaway has included the progressive lengths and lofts in the course of the set for longer distance off every club.