Under Armour, Inc. is an American firm that makes shoes, sporting activities, as well as casual apparel. Under Armour's international head offices lie in Baltimore, Maryland with additional workplaces located in Amsterdam (European head office), Austin, Guangzhou, Hong Kong, Houston, Jakarta, London, Mexico City, Munich, New York City, Panama City (global headquarters), Paris, Pittsburgh, Portland, San Francisco, São Paulo, Santiago, Seoul, Shanghai (Greater Chinese head office), and Toronto.