Under Armor, Inc. Is an American company that produces footwear, sportswear and casual clothing. Under Armor's global headquarters are located in Baltimore, Maryland with additional offices located in Amsterdam (European headquarters), Austin, Guangzhou, Hong Kong, Houston, Jakarta, London, Mexico City, Munich, New York, Panama City (international headquarters), Paris , Pittsburgh, Portland, San Francisco, Sao Paulo, Santiago, Seoul, Shanghai (Greater Sinai Headquarters) and Toronto.