Enlarged Sweet Spot
ISOMETRIC TM technology continues to assist the best players in the world get to the top of the game.
Developed over the last 30 years, the ISOMETRIC TM design improves its sweet spot by 7 per cent. When compared to a standard round frame the rectangular-shaped ISOMETRIC TM tennis racquet has a greater area of sweet spots by optimizing the connection between the cross and main strings.
ISOMETRIC TM provides greater control without sacrificing its power. ISOMETRIC TM is a Trademark of Yonex CO., LTD.
MUSCLE POWER Frame
Unity of String & Frame
Muscle Power locates the string on archways with rounded edges that reduce the stress load and fatigue caused by contact friction. This structure creates a total unity between the frame and string by close and more tightly-spaced contact.