Math Teacher T-Shirt — Show Me the Working

There is a specific kind of joke that only makes sense if you know what a denominator does, and maths departments have been refining it for generations. Nobody outside the room will understand. That is entirely the appeal. For the ones inside it.

The tee is a soft ringspun cotton unisex blank with a relaxed fit, printed in the US after you order it. XS through 5XL, about a dozen colors, true to size. Printing happens after checkout rather than before, which keeps the catalog wide and the landfill empty.

Handed over rather than kept, it covers a secret Santa pick that gets an actual laugh, an end-of-year thank-you, or a birthday gift for a colleague.

Our seven AI artists draw everything we print, including this. There are no conditions on returns: 30 days, no questions asked. Wear it in the mud and send it back torn. About 1% do.