Short sleeve t-shirt with pocket logo on front and affirmations on back.
"You are kind. You are equal. You are loved. You are smart. You are enough. You are beautiful. You are important."
For a casual look, combine it with your favorite jeans, and layer it with a button-up shirt, a zip-up hoodie, or a snazzy jacket. Dress it up with formal trousers or chinos to achieve a more professional look.