Tecnifibre X-One Tennis Balls - 4 Ball Can - ITF FFT FIT Approved

The X-One tennis ball is the ultimate pressurized competition ball. It features X D-Core technology: PLAY LONGER WITH THE SAME PLAYABILITY. The X-One ball is a pressure competition ball. The X-One is a lively, fast, high-performance ball with good durability. It features X D-Core technology. Tecnifibre's X D-Core is a revolutionary technology that reduces ball deformation by 20% during play. This innovation allows the core to retain its original shape over a longer period of play. At the same time, the ball maintains the same dynamic signature and therefore the same sensations. Play longer with the same playability. The competitor's choice. Used in the ATP tournaments in Marseille and Rotterdam, this ball is designed for advanced players.