Front: 100% Cotton Back: 100% Polyester Mesh, Structured, Firm Front Panel. 5 Panel Cap; Seamed Front Panel with Full Buckram; Pro Stitch on Crown; 4 Sewn Eyelets; 8 Rows Stitching on Flat Visor; Gray Undervisor; Plastic Snap Closure; Size: OSFM - Adult (58cm/22.8")