The Guinness Pinstripe Newsboy Cap is a stylish and unique accessory for men who love casual wear. FITS A MENS M/L BEST.  This vintage-inspired cap features an embroidered shamrock and Guinness logo, adding a touch of Irish flair to any outfit. Made from polyester and in a classic black color, this one-size cap is perfect for the winter, fall, and spring seasons. Show off your love for beer and fashion with this timeless piece from Guinness.