Show off your wit with this clever math-themed t-shirt! The design features the equation 'I am √400 Years Old' in a bold, easily readable font. Made from a comfortable, likely cotton blend material, this black t-shirt is perfect for casual wear. It's a great conversation starter and a fun way to express your personality. Ideal for math enthusiasts, teachers, or anyone with a sense of humor. Wear it to school, parties, or just lounging around. This unique tee makes a fantastic gift for birthdays and other special occasions. Get yours today and let the compliments begin!