Achieve the ultimate combination of spin and power with the Wilson Shift 99 V1! Ideal for intermediate to advanced, all-around players, this tennis racquet features 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. Add in the plant-based materials used throughout the end cap and bumper, and the Wilson Shift 99 v1 will bring your game to the next level! Racquet Technology Shift Benefit: Modern Spin and Comfort 16x20 String Pattern: Slightly larger string pattern provides a balance between control, spin, and power Composition: Innovative geometry allows the racquet to bend in a way that generates ultimate comfort and keeps 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 W Labs innovation team's patent-pending technology utilized computer-aided design software to create specific geometry that maximizes lateral bending without losing torsional stability.