What a good should contain depends on the person. People have different needs, different environments where life, different skills.

Any equipment tailored to the specific user is better than a random kit made by somebody else.

You also seem to have a weird obsession with 'grey man'. Use your high school/college bag. Everybody seems to still have one. Nobody will think of it twice. It also survives high school, so that was in general a pretty good durability test.