This classic black t-shirt features a bold and humorous design perfect for engineers or anyone with a technical mind. The shirt prominently displays the phrase "WHAT PART OF" above a detailed white blueprint or schematic of a complex machine. Below, the design concludes with the statement "DON'T YOU UNDERSTAND." The design is eye-catching and sure to spark conversations. Made from what appears to be a soft and comfortable material, this tee is ideal for casual wear. It’s a great gift for engineers, machinists, or anyone who appreciates a clever, technical joke. Wear it to work, school, or just hanging out with friends to showcase your passion for engineering and your sense of humor.
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Our tees fit true-to-size. Check the size chart before ordering to ensure a perfect fit.
Processing 2–3 business days; standard delivery 5–12 business days depending on destination.
Machine wash cold with like colors. Do not bleach. Tumble dry low. Iron inside-out if needed.