85% Acrylic 15% Wool Heather Black: 80% Acrylic 20% Wool, Structured , Firm Front Panel. 6 Panel Cap; Seamed Front Panel with Full Buckram; 6 Embroidery Eyelets; Flat Visor; Pro Stitch on Crown; 8 Rows Stitching on Visor; Gray Undervisor; Plastic Snap Closure; Size: OSFM - Adult (58cm/22.8")