Under Armour, Inc. is an American business that produces shoes, sports, and also informal clothing. Under Armour's international head offices lie in Baltimore, Maryland with extra workplaces situated in Amsterdam (European head office), Austin, Guangzhou, Hong Kong, Houston, Jakarta, London, Mexico City, Munich, New York City City, Panama City (global head office), Paris, Pittsburgh, Portland, San Francisco, São Paulo, Santiago, Seoul, Shanghai (Greater Chinese head office), and Toronto.