Front: 100% Cotton Back: 100% Polyester Mesh, Structured, Firm Front Panel, Low Profile. 6 Panel Cap ; Seamed Front Panel w/ Buckram ; 2 Sewn Eyelets/ No Eyelets on Mesh ; 6 Rows Stitching on Visor ; Matching Sweatband ; Plastic Snap Cosure; Size:OSFM - Adult (58cm/22.8")