Show off your love for math with this fun and stylish black t-shirt. The shirt features a humorous design with a square root symbol and the expression "√225 years old", playfully suggesting that you are 15 years old. The design is surrounded by various math equations and symbols in different colors, creating a unique and eye-catching look. Made from soft, comfortable fabric, this t-shirt is perfect for everyday wear, math enthusiasts, teachers, or anyone with a great sense of humor. Grab yours today and let the world know you are a true math whiz!