Now Shop girls’ beanies, cowboy hats, baseball caps, fedora, and much more online at competitive prices. 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 color symbolize power and invisibility. Durable or fancy? Look or feel? What you want in your Under Armour Black Hats & Caps for girls depends on materials like Knit Fabric and Acrylic.