Yonex Ezone 98 Tour Tennis Racquet 315g (Unstrung, 315g, Deep Blue) For advanced players looking for electrifying blasts of power and ultimate comfort. Yonex Ezone 98 Tour Tennis Racquet 315g.  With the EZONE Tour Yonex adds a heavier model to the EZONE line! Ideal for experienced players, this nearly 12-ounce racquet not only does a…