65/35 Poly/Cotton. Custom Embroidery design. Mid Profile Structured. One Size Fits Most Adjustable buckle strap Firefighter Thin Red Line Symbol of Courage. True courage is being afraid, and going ahead and doing your job anyhow. That??s what courage is. Copyrighted design by Fantastic Tees. Fantastic Tees is the only authorized seller of this product. BUYER BEWARE: All other offers are cheap counterfeit versions. Purchase only from Fantastic Tees to ensure you are getting a quality product.