Shirt by Original Penguin, It's hip to be square, Button-down collar, Long sleeves, Small logo, Button placket, Regular fit, Not too loose, not too tight. 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.