Front: 65% Polyester 35% Cotton Back: 100% Polyester Mesh, Structured , Firm Front Panel, Low Fitting . 6 Panel Two-Tone Cap; Seamed Front Panel with Buckram; 2 Sewn Eyelets; Pre Curved Visor; 6 Rows Stitching on Visor; Matching Fabric Undervisor; Black Sweatband; Plastic Snap Closure; Size: OSFM - Adult (58cm/22.8")