Celebrate a milestone birthday with this fun and quirky t-shirt! The black tee features a white graphic design with the square root of 25 and the words 'YEARS OLD', making it a playful math joke for turning five, the solution to the math. Made from a comfortable-looking fabric, this shirt is perfect for casual wear, birthday parties, or as a unique birthday gift. Show off your nerdy side with this eye-catching conversation starter. Wear it with jeans or shorts for a relaxed and humorous style.