- 5-panel structured mid profile cap with 100% Polyurethane Cork firm front panel, classic 100% Polyester mesh back, and 100% Cotton Visor. Seamless Front Panel with Full Buckram, 4 Sewn Eyelets, Pro Stitch on Crown, 8 Rows Stitching on Visor, Matching Fabric Undervisor, Matching Color Sweatband, Plastic Adjustable Snap. Size: OSFM - Adult (58cm/22.8").