The ZXi RKT Driver combines fast, forgiveness, and feel with high ball speed and high MOI while keeping spin relatively low. Adjustable Sole Weights in the heel and toe can be calibrated to promote your preferred trajectory. RKT FACE RKT Face is not just one thing. It is the perfected sum of our most advanced ball speed, flex, and roll technologies. Each one re-tuned to perform better and enhance the others-with the common goal of creating our fastest and most accurate face ever. TOUR-DRIVEN CHASSIS Through rigorous prototyping and on-tour testing, R&D engineers aligned with pro staff to create significant shaping updates on every ZXi RKT clubhead that fit the eyes and performance needs of the best players in the world. ACOUSTICORE Our completely new ACOUSTICORE chassis feature AIoptimized internal rib structures, precisely tuned to refine the acoustic character of every ZXi RKT model. The result is a crisp, controlled sound at impact. PLAYER-FOCUSED ADJUSTABILITY Different weighting designs on each model plus adjustable hosels allow for fine-tuning launch and spin performance for every player.