You asked, and here she is. Oh RBG, we are bereft.
Men's T-shirts are black crewnecks from Hanes nano 100 percent cotton; women's Tees are black v-neck, same, and black tanks are 100 percent cotton "relaxed jersey tanks" from Bella/Canvas.
Women's tees size chart:
Women's tank size chart (these are roomy):
Printed in our Montana basement; free shipping via USPS (in the US). We love you RBG. We love you Post Office. We love you readers.