Introducing the Callaway XR Irons, built for increased speed for every golfer, with the added benefit of a hotter face and more forgiveness across each club.The Callaway XR Iron are built for speed. Callaway took the Cup 360 that redefined ball speed in fairway woods and brought it to irons. The improved Cup 360 acts like a spring on shots hit low on the face and increases ball speeds everywhere else on the face, too.The distance is incredible, and that’s just the start. When you factor in the lower center of gravity (CG), all that forgiveness, and the face flex of the Internal Standing Wave, along with the precise two-piece, dual-heat construction, you have a technologically advanced iron, which is sure to add distance and accuracy to your game.Built for speed from around the course, the Callaway XR Irons will redefine how you take on your favorite course. Improved, Cup 360 technology acts like a spring on shots hit low on the face for blazing ball speeds. A low center of gravity is paired with a high MOI to create forgiving playability with a piercing trajectory. The precise 2-piece design, with dual heat construction, produce superior to each shot feels crisp and clean.Revolutionary Ball Speed From Cup 360Improved face cup technologyProduces a spring-like effect on shots hit low on the faceHigh ball speeds can also be achieved from almost any location on the faceLower Center of Gravity, More MOI and Ball SpeedInternal standing wave for greater playabilityLower center of gravity gets shots into the air fasterIncreased MOI for additional forgiveness on mis-hitsClub face has the freedom to flex for better ball speedsNew Construction and ShapeBuilt for speed and faster swings2-piece constructionDual heat treatments partnered with meticulous craftsmanship