What shirt should i wear under this flannel shirt?

i have a light blue and white checkered flannel shirt, should i wear a plain white T under it or a White Aero shirt that says Aeropastle So. cal on the sidee written Sideways it kinda looks like this a href="http://www.fashionp.org/aeropostale-white-camiseta/" rel="nofollow"http://www.fashionp.org/aeropostale-whit…/a