I could consider "family-safe," except that a lot of families can be pretty obnoxious. And I don't like using the word "family" to mean "nonsexual," which is what it seems to mostly be in mainstream media labeling.
While work is adults-around-adults, it's held to a more restricted standard than general public activity. There are no laws against sexual harassment or racial discrimination in public life--you can wink or sneer at anyone you want to on the bus. And you can wear t-shirts that say