Wilson Pro Staff 90 Tennis Racquet (Unstrung) Endorsed by Roger Federer, this racquet has an unmatched history of winning Grand Slams Racquet comes unstrung and a racquet cover is not included The Box Beam Frame provides the player with a massive amount of control and accuracy The combination of the braided Graphite and Kevlar and the Classic Leather grip enhance the overall feel of the racquet, providing maximum sensation Amplifeel Technology reduces harsh vibrations in the handle and adds power