Ordering school sweatpants and need help deciding if I should get writing on the bum or even order them at all?

My school's clothing orderform recently came out and the deadline is incoming. I want to order some school sweatpants but need advice. They have STA written diagonally on the left leg in fairly small lettering. They come in either grey or navy. I also have the option of getting "Thunder" written across the bum of the sweatpants. In search of all advice possible! Thanks in advance.