Show off your mathematical wit with this black t-shirt featuring the equation '√144 Years Old', making it a clever way to celebrate turning 12. The design includes faded mathematical formulas in the background, adding to the nerdy-chic appeal. Made from a soft fabric, it ensures comfort for everyday wear. Great for birthday parties, casual outings, or as a fun gift for math lovers. Express your unique style with this eye-catching, conversation-starting tee!