80% Acrylic, 20% Wool. Fabric: Hard Buckram, Serge. 382gsm. Design: Plain. 6 Panel Design, 8 Row Stitching, Authentic Sticker, Button at Top, Contrast Underbill, Flat Peak, High Profile, Stitched Ventilation Eyelets, Structured Front Panel. Fabric Technology: Durable. Fastening: Snapback. Sustainability: Amfori, BSCI, Ethical Trading Initiative, REACH, Sedex, WRAP Certified. Ref: UTBC5386