Enjoy the electric atmosphere and hidden gems of the biggest Grand Slam tennis tournament in North America with the US Open Shift 99 V1 tennis racket. What makes this racket unique is its ARC 3D technology, which delivers controllable power and devastating spin due to its torsional stability and lateral flexibility in the frame. It also contains a 16x20 string pattern, further complimenting the power and spin that the frame offer. 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.