This black t-shirt is perfect for math enthusiasts and academics. Made from a soft, comfortable material, the shirt features a print of various mathematical equations and diagrams, interwoven with the humorous phrase: "What part of... don't you understand?". This shirt is a fun way to show off your love of math or give a witty message. Ideal for wearing to school, math club meetings, or just lounging around, this t-shirt is sure to get a laugh. The dark color makes it easy to pair with jeans or shorts, for a casual look. It's a great gift for math teachers, students, or anyone who appreciates a good equation.