This black t-shirt features a humorous design for the intellectually curious. The phrase "Sorry I wasn't listening, I was thinking about P versus NP" is prominently displayed above an illustration of a person scratching their head with a question mark. The shirt is a casual, comfortable option, perfect for computer scientists, mathematicians, or anyone who enjoys a thought-provoking conversation starter. Wear it to your next lecture, coding session, or social gathering to showcase your unique sense of humor and passion for complex problems. The shirt is made of a soft, breathable fabric.