Everyone believes that what you dress or wear says a lot about your personality, attitude, and fashion sense.
awesome t shirts display your character and behavior.
Sometimes Tshirts give a perfect attitude of a people when displaying some slogans or logos and it also displays the community or religion you belong to or association/group associated with it, hence it leads to an intelligent conversation or displays what you want to speak about.
That means it conveys your messages in the form of a slogan or logo and ultimately your attitude!