"Does This Shirt Make My Shamrocks Look Big?" Looking to impress everyone with your shamrocks this St Patrick's Day? Then this may be the perfect shirt for you. This original Old Glory design is printed using cutting-edge direct-to-garment technology on a high-quality 100% Cotton juniors tank top t-shirt. Designed in-house and printed to order, this is a one-of-a-kind top for people with style to match.