A unisex t-shirt with a funny take on a classic evolutionary trope across the chest. Perfect for the science teacher / nerd-humor enthusiast in your life!.

A unisex t-shirt with a silly print across the chest sure to please any math teacher, geometry fan, or other teller of dad jokes.

A t-shirt with a funny math pun printed across the front

A unisex t-shirt with a professionally applied, vibrant screen print on front for math nerds.

A unisex ringspun cotton t-shirt with a professional grade screen print on front.

A unisex ringspun cotton t-shirt with a professional grade screen print on front.