When purchasing graphic t shirts, you'll need to think about three things 1) the emotions that the graphic design conveys 2) whether the design is simple or complicated and 3) how this graphic is different from all other graphics.
Consider whether or not the graphic t shirts are appropriate for the function that you will be attending. For example if you are going to a black tie event then you may want to weargraphic t shirts that that look like a tuxedo. Another important factor to consider are the colors in the graphic t shirts, for example if you are wearing yellow pants then your graphic t shirt should have a complementary color in it such a blue. Last but not least your graphic t shirts should help make you stand out in the crowd. You want to wear something that is unique, because there is nothing more embarrasing than going to a party and seeing someone else wearing the same thing. A good place to find graphic t shirts is on the web at a website called urbanmist.com.