Endorsed by Matteo Berrettini, the Head Extreme Team Tennis Racquet is guaranteed to create chaos for all opponents. Made with innovative Auxetic Technology, the Extreme Team works off of applied force, ensuring a more crisp impact and enhanced flexibility. Providing greater stability and optimized energy transfer, the Extreme Team generates ultimate spin with great power behind every shot. Get extreme performance and a fresh design with the Head Extreme Team Unstrung Racquet.