Volkl Vostra V1 Pro (99.5) - BlackVolkl Vostra V1 Pro (99. 5) Black The Vostra V1 Pro is the only players racquet built from the ground up with Volkls Vario Beam design, offering excellent feel with reduced shock and vibration. Ideal for big hitters using stiff strings, it delivers impressive spin potential and control typically found in traditional thin beam frames. It also includes advanced features like REVA, MORE RED CELL Material, VTEX butt cap, Super Grommets, and a V Sensor