X-03 irons are engineered to be easy to hit and to deliver maximum distance. They possess a clean, simple, yet premium look and feel, however they employ a sophisticated combination of materials and design components that makes their exceptional performance possible. Starting with the X-03's advanced hollow construction, each category or iron -- long-iron, middle-iron, short-iron and wedge-- features a specific combination of elements that work in conjunction with one another to produce the optimum combination of ball flight and backspin.