I Wear This Shirt Periodically – Funny Chemistry T-Shirt

For every chemistry enthusiast, science teacher, and periodic table devotee, this tee delivers the perfect pun. "I Wear This Shirt Periodically" hits harder than any element on the board—smart, witty, and instantly recognizable to anyone who gets the joke.

Made from sustainably grown cotton with premium construction (double-needle stitching, taped shoulders, seamless neck rib), it's built to last through countless lab days, classroom laughs, and casual Fridays. Classic midweight fit in multiple colors means you can rock your chemistry humor in style.

Whether you're gifting a chemistry teacher, chemistry student, or just someone who appreciates a solid science joke, this shirt speaks the language of elements and humor..

Discover our Men's T-Shirt, crafted with sustainably and fairly grown cotton for an eco-friendly choice that doesn't skimp on style. Featuring double-needle stitching throughout, a seamless rib at the neck, and taped shoulder-to-shoulder construction for enhanced structure. Available in multiple colors and a wide range of sizes.

• Made with sustainably and fairly grown cotton
• Classic fit
• Double-needle stitching throughout; seamless rib at neck
• Fabric weight: 4.7 oz (midweight)
• 100% cotton jersey, Heather Gray is 90% cotton and 10% polyester. Safety Green is 60% polyester & 40% cotton.
• Brand: Jerzees
• Imported product, printed & processed in the USA

normal fit

	A	B	C
S	27.99 inch	17.99 inch	6.22 inch
M	28.98 inch	20 inch	6.5 inch
L	30 inch	21.97 inch	6.97 inch
XL	30.98 inch	23.98 inch	7.24 inch
2XL	31.97 inch	25.98 inch	7.48 inch
3XL	32.99 inch	27.99 inch	7.72 inch
4XL	33.98 inch	30 inch	7.99 inch
5XL	35 inch	31.97 inch	8.46 inch