Whether you're working out or just going out, explore Under Armour men's t-shirts in a multitude of designs. This US-based fitness brand began life in the '90s and offers a broad range of high-tech sportswear and casual basics for men and women. Go for Y2k vintage tops with printed insignia, retro sports details and more. Alternatively, find used Under Armour t-shirts for men made from technical fabrics, featuring camouflage prints and abstract patterns. Discover more from this label on Depop.