HEAD EXTREME MP AUXETIC 2.0 TENNIS RACKETDESCRIPTION Generate extreme spin, and create chaos for opponents, with the new generation of the EXTREME MP. Endorsed by Matteo Berrettini, this racquet has been upgraded with state of the art Auxetic 2. 0 technology for enhanced stability and a better connection to the ball, offering a crisp impact feel and maximum spin. Designed for performance players who are looking to dictate with spin, the EXTREME MP has a shaft that helps create extra spin.