AERO Frame
ISOMETRIC
Enlarged Sweet Spot
ISOMETRICTM technology continues to help the world’s greatest players achieve global success.
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.
ISOMETRICTM delivers greater control without sacrificing power. ISOMETRICTM is a Trademark of Yonex CO., LTD.
*Tested by Yonex
M40X
Cuts Vibration
Sonic Flare System
Max Acceleration