This classic black t-shirt features a humorous graphic for rock enthusiasts. The design includes the phrase "THAT'S WHAT I DO I COLLECT ROCKS AND I KNOW THINGS" in bold, eye-catching letters, accompanied by a detailed illustration of various rock formations. The shirt's comfortable fit and durable material make it perfect for everyday wear, rockhounding adventures, or casual outings. Show off your passion for geology with this unique and conversation-starting tee.