The top players in the world continue to succeed globally because to ISOMETRICTM technology.The ISOMETRICTM design, which was created more than 30 years ago, raises the sweet spot by 7%*. A square-shaped ISOMETRICTM racquet maximizes the intersection of the main and cross strings to provide a larger sweet spot than a traditional round frame.More control is provided by ISOMETRICTM without compromising power. Yonex CO., LTD. owns the trademark ISOMETRICTM. Tested by Yonex