I Only Use Sarcasm Periodically – Funny Chemistry T-Shirt

For chemists, physics enthusiasts, and science teachers who appreciate witty humor, this tee delivers laughs with a periodic table twist. The "I Only Use Sarcasm Periodically" design speaks to anyone who's ever had to explain science to the unconvinced.

Premium 100% cotton construction (with select colorway exceptions) features double-needle stitching, reinforced neck ribbing, and a classic fit that works in the lab or the classroom. Midweight 4.7 oz jersey ensures durability through countless washes. Available in sizes S–5XL across multiple colorways.

Perfect gift for chemistry teachers, lab workers, and anyone who lives by dry humor and scientific precision.r.

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