Under Armour sells innovative sports clothing, shoes and accessories that are designed to empower athletes at all levels. Not sure about what to gift friends or loved ones who are into sports? Give them the Under Armour eGift card and let them pick the ideal gift for themselves. Boom. Problem solved. Under Armour specializes in training, running, football, tennis, yoga, basketball, and golf for men, women, and children. With a vision to make athletes perform better, its tops, bottoms, and shoes use high-performance fabrics and breakthrough technology to help get results.