The guys in my life tend to stick to the basics when they get dressed and now your sims can also not care about fashion.

Adults/Young Adults: Credit to cloudlessnights for the adult conversion mesh. (Mesh is included but not the original recolors.)

Teens (Teen Style Stuff required.)

I used images from Threadless for the graphics tees, but I made these so long ago that it would be impossible to find them again.

Files are clearly labeled, compressed, and tooltipped.