Callaway Golf Irons Callaway golf is known for creating some of the most forgiving irons in golf. Their incredible designs are trusted by professionals and amateurs alike, meaning you can be sure there’s a Callaway golf iron to help improve your game. Club designs featuring large sweet spots, perimeter weighting, heavy soles and cavity backed clubheads, all go a long way in turning your bad shots into good ones.GolfOnline is proud to stock a wide range of Callaway Irons. Expertly crafted by the brand’s incredible team to ensure players get the most out of their game. Shop the latest lines available now including the Apex 21 and Big Bertha 21. Take advantage of discounted lines and our superior custom fit service.