What can i wear to match with oversized vest?

ok i lik love love LOVE oversized vest it's like my fashion and it's totally me. but since i can't wear like tank tops to school is there any clothing i could wear like inside or outside to cover it. it's lik an oversized tank tops and there are different designs so i need help, lave somee
if u don't kno wat oversized vest is here's a picture