Wool Donegal Driver CapThe clean, streamlined silhouette, low profile, and stiff sewn down brim are all features of the traditional flat cap. The design originally dates back to 14th century England, where it was popularized by laborers. When workers began immigrating to the U. S. A. they brought their hats with them, which quickly caught on. Made from high quality 100% wool, this Donegal driver cap has a classic silhouette that brings sophisticated, understated style