Under Armour is a leading sportswear brand known for its high-performance athletic apparel, footwear, and accessories. Renowned for its innovative moisture-wicking fabric technology, Under Armour designs gear that enhances performance and comfort for athletes. The brand has grown from its original compression shirts to a full range of sportswear that caters to various sports and active lifestyles (Under Armour, "About Us"; Business Insider, "The Rise of Under Armour").