The soft, ring-spun cotton of this t-shirt is also long-lasting. With a classic fit and seam-free body, you'll want to wear it every day. 100% soft ring-spun cotton (Sport Gray is 90% ring-spun cotton, 10% polyester; Dark Heather is 65% polyester, 35% cotton.) Modern classic fit Tubular body Double-needle sleeve and bottom hems Taped neck and shoulders Ribbed collar Wash cool, hang dry or tumble dry low Cool iron inside-out

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🧢☕👕 Smart Humor T-Shirt for Math Lovers This clever T-shirt features a witty mathematical joke that blends logic, humor, and simplicity into one minimalist design. At first glance it looks like a basic equation—but those who understand it will instantly get the joke 😄 Perfect for math lovers, students, teachers, engineers, and anyone who enjoys intelligent humor with a clean aesthetic. ✨ Design Features: Minimalist and modern typography High-contrast white text on a black shirt Clean, easy-to-read layout Subtle nerd humor that stands out 🎁 Perfect For: Math and science enthusiasts Students and teachers Casual everyday wear Unique and thoughtful gifts