Buy men's accessories like a pocket square, mask, bandana, handkerchief, earmuff, face shield, replacement lenses, frames, and much more through TopOfStyle. Under Armour is a prominent US-based sports equipment and clothing apparel brand. It was launched in 1996 by its founder Kevin Plank. The brand is operational in 15 major countries across the world with over 15000 retail stores. Black represents passion and willpower at its core.