Hardness: Medium-Hard (47.5 degrees)
The rubber for the ambitioned player striving to play topspin strokes in any situation. The new technology combined with the ultra soft rubber surface provides an outstanding spin and a great playing sensation, allowing a secured and aggressive game. The integrated SPI (Speedglue-Effect-Inside) technology confers an extreme catapult reaction to the ball. Although you will use very little strength, your balls will be loaded with a lot of spin and speed. The exclusive rubber surface confers stability and a long-life expectancy. Notice the energy of this rubber after only few exchanges.