Wilson Shift 99 Pro V1 (315g) OVERVIEW Revolutionary performance racket with modern bending technology to generate heavy spin with unmatched comfort. Achieve the ultimate balance of spin and controllable power with the Wilson Shift 99 Pro V1 tennis racket. Ideal for experienced players who prefer a medium-heavyweight frame and are looking at add spin to their game. The Shift 99 Pro includes a dense string pattern and bending profile built to be stable, yet laterally flexible to produce devastating spin while maintaining control. A first of its kind, the Shift V1 collection was built and refined via player feedback from all over the world. Add in the plant-based materials used throughout the end cap and bumper, this racket will bring your game to the next level. FEATURES AgiplastPlant-based bumper, grommet and end cap components reduce overall environmental footprint. Vertical BendingVertical bending of racket frame increases ball dwell time on string bed for players with more modern, vertical swings. ARC 3DW|Labs innovation team's patent pending technology that utilized computer aided design software to create specific geometry that maximizes lateral bending without losing any torsional stability. SPECIFICATIONS Head (sq cm)639Head (sq in)99Length (cm)68.58Length (in)27String Pattern18X20Strung balance (cm)32.5Strung weight (grams)331Strung weight (ounces)11.68Taper System (mm)23.5 Unstrung balance (cm)31.5Unstrung weight (grams)315Unstrung weight (ounces)11.1 Wilson Shift 99 Pro V1 (315g)