smoother contours throughout the racquet head for less wind resistance and extra racquet speed. the revolutionary new graphite material toraycar m40x and super hmg provide unrivalled power and stability for maximum shuttle acceleration. isometrictm technology continues to help the world’s greatest players achieve global success. isometrictm delivers greater control without sacrificing power. developed over 30 years ago, the isometrictm design increases the sweet spot by 7%*. compared to a conventional round frame, a square-shaped isometrictm racquet generates a larger sweet spot by optimizing the intersection of the main and cross strings. the control support cap provides an 88% wider flat surface compared with an ordinary racquet for easier gripping, fast follow-through and the sharpest maneuverability.