63% polyester, 34% cotton, 3% spandex combed twill; 6-panel, structured, mid-profile; wool-like texture; 3½" crown ; hard buckram backed front panels; sewn eyelets; eight-row stitching on bill; spandex sweatband retains shape; Silver underbill; S/M: 6 3/4 - 7 1/4; L/XL: 7 1/8 - 7 5/8