This black t-shirt features a humorous saying for those in the know. The phrase "There are only 10 types of people: Those who understand binary and those who don't" is displayed in green binary code on the front. Perfect for programmers, computer scientists, or anyone who appreciates a good geeky joke, this tee is sure to spark conversation. The classic crew neck and short sleeves make it a comfortable and versatile choice for everyday wear. Show off your tech savvy with this unique and eye-catching t-shirt!