Men's Patchwork Cabbie Duckbill Cap - Now these are some cool cotton caps! Men's Patchwork Cabbie Duckbill Cap. I enjoy performing on stage wearing these colorful caps! Add one or all of these cool caps to your collection. Adjustable side straps. Other names for this duckbill cap are: ivy caps, duckbill caps, Gatsby caps or newsboys, this hat has an distinguished look to any man’s wardrobe. With a rounded, low crown and a short stiff brim, these hats have been around for nearly 700 years. Flat caps are a symbol of the working man in Britain and soon became popular by higher class. Size: 56-60cm (22"-23.5"). Delivery: 14-21 days.