Yonex EZONE 100 is built for intermediate and advanced players who want a maneuverable player's racquet with easy targeting. Yonex model features an expanded sweetspot thanks to an updated Isometric head shape. Yonex has also retooled the grommet system with its Micro Offset Layout technology, which enables the strings to soak up greater vibration at impact. It's also includes the use of a hyper modulus graphite in the upper hoop and shaft.