But seven bikini baristas and the owner of a chain of the coffee stands called "Hillbilly Hotties" sued the city to block the dress code in September, saying it's vague, unlawfully targets women, and denies them the ability to communicate through their attire.
KIRO-TV asked a constitutional law attorney about that argument.
“That is not a frivolous argument. One can see that this is conduct which may not be pure speech, but nevertheless is a conduct that does enjoy constitutional protections. The question is how much constitutional protection,” said constitutional law attorney Jeffrey Needle.
The Everett City Council unanimously passed the ordinances in August but halted the ban while the case is in court.
A senior U.S. district court judge heard the arguments Tuesday in a federal Seattle court.