This purchase includes (1) Yonex EZONE 100L 7th Gen tennis racquet strung with 16g synthetic gut racket string at mid-range tension in your choice of (1) color. Vibration Dampening Mesh (VDM) is now used in four Yonex racquet series and makes the EZONE range a favorite among pro players. VDM is a stretchy mesh material that is wrapped around the graphite within the grip to filter unwanted vibrations and improve touch and precision. First introduced in 1969 with the T-7000 - Yonex's first aluminum tennis racquet - the Oval Pressed Shaft (OPS) is still incorporated into our most popular racquet series today. The Oval Pressed Shaft is designed to give players more spin, control, and feel. The shaft flexes at impact, increasing dwell time and minimizing vibrations. A thicker shaft structure with a convex design reduces unwanted racquet torque on off-centered shots for added power. An inverted frame design with a thinner frame face results in a softer racquet.