The Durafast Elite Solid Racer features Durafast Elite, TYRs most advance performance and training fabric. With a 94-Percent polyester 6-Percent spandex blend the strength and colofastness of polyester are combined with the comfort of spandex. Durafast Elite is able to sustain 300+ hours of use while maintaining a comfortable hold on your body. This racer is a compressive brief style which offers great support and comfort.