The power package with turbo load for more power and precision. This rubber is ahead of its time and is at the upper limit of what can be technically done. Proton XP 450 turbo offers a new dimension of Speed and Spin. With the Premium Tension high power sponge the utmost efficiency transfer of spin and speed energy is possible. Feel how your strokes explode. Utmost control and enormous speed resources on playing top spin rallies. Proton XP 450 turbo is the version for powerful attack play. Permanantly built-in speedglue effect due to CPI technology. The rubber for high level players with highest approach.Additional product detailseSpeed: 108 Control: 94 Spin: 105 Characteristics: Offensiv Rubber-Type: Pimple in Rubber-Hardness: Medium +