Front: 100% Cotton Back: 100% Polyester Mesh , Structured, Firm Front Panel. 6 panel cap; Seamed Front Panel with Full Buckram; Round Flat Visor; 8 Rows Stitching on Visor; Gray Undervisor; Matching Color Sweatband; Plastic Snap Closure; Size: OSFM - Adult (58cm/22.8")