Introducing the perfect 16th birthday gift for boys who love math and geometry - the Square Root of 256 T-Shirt! This black shirt features a geometric pattern and a happy character design, making it an ideal choice for various occasions like birthdays, weddings, and anniversaries. Made of comfortable cotton material, this short sleeve T-shirt is machine washable and comes in a size M with a round neckline and regular fit. Add a personalized touch with the.logo accent, and celebrate the special day with this unique and stylish shirt.