E523 HYBRID Houdini Sole Technology includes an area of mass concentrated on the trailing edge of the sole of the clubhead, as well as a curved leading edge under the face. Unique and patented sole design allows engineers to precisely position weight in the head for an ultra-low and deep CG, optimizing launch conditions and greatly improving stability. Offset designs are combined with a heel sole weight to provide the ultimate in slice fighting technology. The offset design of the E523 Hybrid added with a heel sole weight allows the face to square up at impact for straighter ball flight. Diamond Face Variable Face Thickness technology is a breakthrough in face technology that features 39 different thick and thin diamond shapes or "mini-trampolines" behind the face Diamond Face VFT produces a hotter face with faster ball speeds and better performance on off-center hits, as well as reduced spin. The super-shallow face coupled with a larger footprint design in the Hot Launch E metals are designed for extreme playability and high-flying launch characteristics. The larger hybrid design with an extremely shallow face produces higher launch angles and extreme ease of launch with extreme forgiveness.