PKR-CUP A new Cup Face design combined with Wilson's AI generated Variable Face Technology optimizes ball speed, distance and consistent launch windows. VOC "VELOCITY OPTIMIZATION CHANNEL" A channel located in the sole and behind the face allows the face to flex for maximum ball speeds. LOW CENTER OF GRAVITY & HIGH MOI Toe-biased weight distribution makes Dynapower Forged irons faster, more forgiving and higher launching. ETC "ENERGY TRANSFER CHASSIS" Located at the back of the iron, this supportive frame allows for maximum stability and energy transfer at impact, while optimizing sound and feel. LOW CG, HIGH LAUNCH Placing the CG low in the sole provides high MOI and a higher launch to create maximum stopping power HOLLOW BODY CONSTRUCTION Wilson's hollow body design allows for optimal weight distribution, unlocking maximum distance and forgiveness.