Its revolutionary string pattern, distinctive bending profile, and somewhat lighter frame provide the ideal blend of stability and lateral flexibility, guaranteeing accuracy and control power with each stroke. The innovative design of this racket, the first of its type, was shaped by extensive player feedback from around the world, making it an instrument with deadly spin potential and surgical accuracy.The Shift 99L is unique due to its environmentally friendly construction and performance-driven architecture. With its bumper and end cap made of plant-based materials, this racket redefines sustainability without sacrificing performance. The Shift 99L V1, which represents the height of contemporary tennis innovation, is designed for players who want superior power and accuracy. It is certain to take your game to the next level.