P3 Performance fabric that wicks moisture, breaths and repels water. ProCrown with buckram-fused front panels. 1 3/8? Stay-Dri moisture management fabric sweatband with 8 rows of stitching. Fabric consists of polyester, cotton and spandex. Fitted Sizes 6 3/4"-8". Choose black w/piping if you are working position other than referee. Choose white if referee.