100% Cotton. Fabric: Twill. Design: Plain. 6 Panel Design, 6 Row Stitching, Button at Top, Pre-Curved Peak, Stitched Eyelets, Tearaway Label. Fastening: Adjustable, Tri-Glide Buckle. Sustainability: Control Union CU811033, EarthAware, OCS Standard. Beechfield Men's Classic Cotton 6 Panel Baseball Cap in Red