100% Cotton STYLE FIRST | There??s almost nothing more Guinness than the Guinness Tweed Vintage Harp Baseball Cap. Enjoy this comfortable cap with the Guinness Harp embroidered detail on front. DESIGN MEETS COMFORT | Made from 100% cotton, this Guinness Label Black/Grey Baseball Cap is a grey tweed cap with adjustable metal clip fitting, so you can count on staying comfortable all the time. GUINNESS OFFICIAL MERCHANDISE | We stand by our products. That??s why we only use the highest quality materials, the best designs, breathable fabric, and a passion for life! THE LEGENDARY BRAND | This Guinness Tweed Vintage Harp Baseball Cap celebrates an extraordinary brand that has thrived around the globe for over two centuries. Guinness not only symbolizes style and quality, but a way of life celebrating a little wit and good humor along the way.