80% Polyester 20% Cotton, Structured, Firm Front Panel. 6 Panel Cap; Seamed Front Panel with Full Buckram; 6 Sewn Eyelets; Pro Stitch on Crown; 8 Rows Stitching on Visor; Matching Fabric Undervisor; Matching Color Sweatband; Adjustable Hoop & Loop Closure; Size:OSFM - Adult (58cm/22.8")