Shirt by Original Penguin, For your daytime thing, Grandad collar, Button placket, Chest pocket, Small logo detail, Regular fit, Just select your usual size. Starting life as a golf shirt back in 1955, Original Penguin became synonymous with the eras most talked-about stars, such as Frank Sinatra, Dean Martin and Clint Eastwood. With a nod to its Americana roots, the brand designs a collection of T-shirts, jackets and accessories alongside its classic polo shirts.