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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Celebrate science humor and sci-fi fandom with this fan-inspired periodic table shirt featuring the clever phrase “I Wear This Shirt Periodically.” Perfect for readers who love Project Hail Mary, Dr. Grace references, nerdy jokes, and iconic Jazz Hands moments. This design makes a great gift for chemistry lovers, science teachers, students, book fans, and anyone who enjoys smart, funny graphic tees. Ideal for casual wear, book club gifts, classroom humor, STEM lovers, and fans of witty science-inspired apparel. A fun conversation starter for anyone who loves periodic table jokes and unforgettable space adventure references. Unofficial fan-inspired design. Dr Grace shirt, Project Hail Mary shirt, I wear this shirt periodically, periodic table shirt, science humor shirt, chemistry teacher gift, chemistry shirt, jazz hands shirt, amaze amaze amaze, sci fi book shirt, nerdy graphic tee, STEM gift, funny science tshirt, book lover gift, geeky shirt, science fan gift, periodic table tee