Product Description Achieve the ultimate combination of spin and power with the Wilson Shift 99 V1 Tennis Racquet. Ideal for intermediate to advanced, all-around players, the Shift 99 has an innovative string pattern and bending profile built to be stable, yet laterally flexible for controllable power and devastating spin. 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 racquet will bring your game to the next level. Additional Details and Features Shift Benefit : Modern Spin and Comfort 16x20 String Pattern : Slightly larger string pattern provides balance between control, spin, and power Composition : Innovative geometry allows racquet 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