Irons that go the distance. Core Centre of Gravity technology means that EZONE composite irons, with their offset club design, deliver control with greater distance. The re-positioning of the centre of gravity establishes the sweetspot across a specific area of the club face to enhance the quality of the strike. The large sweetspot, combined with the NANOPREME50EX shaft, allows players to use a shorter iron to achieve the same distance. This gives players broader on-course options for a more finely tuned game.