I purchased my Doctor First Lady Jill Biden shirt here as a fundraiser for the Northern Virginia Community College Educational Fund (where she teaches).
It’s no longer being sold there, but you can find on on Etsy or Amazon (or I love this long-sleeved version!).
Here are some similar ones – I kind of want them all!
The Future is Female Inauguration Day
“I don’t know how to explain to you that you should care about other people.” Dr. Fauci shirt