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. Shift Benefit: Modern Spin and Comfort 18x20 String Pattern: Dense string pattern enhances feel and enhances spin potential via lateral bending Composition: Innovative geometry allows racket to bend in a way that generates ultimate comfort and keep more balls in the court Reduced Environmental Footprint: End-cap, bumper composed of Agiplast, plant-based materials Finalized Product: Built and refined using feedback from players worldwide Design: Artic-prism design produces a clean, modern look that compliments its revolutionary technologies 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. Length (in) 27 String Pattern 18X20 Wilson Shift 99 Pro V1 (Unstrung) Tennis Racket