Our unofficial dress code is enforced through jokes

Our employee handbook says the office is business casual.

Our actual dress code is a series of jokes.

When someone wears a suit, a director asks whether they have a job interview. When someone wears jeans on a day without clients, a manager says, “Casual Friday arrived early.” A coworker wore bright sneakers and heard three comments before lunch about bringing color to the accounting department.

Nobody is formally reprimanded. Nobody can point to a written rule that was broken. The comments still teach everyone where the invisible lines are.

I learned this after wearing a sleeveless blouse during a hot week. My manager smiled and asked whether I had “gone fully summer.” Later, she mentioned that senior leaders tend to prefer a more traditional look. She did not tell me to change. I wore a jacket the next day anyway.

The ambiguity is useful for the company. Leaders can shape appearance without owning a standard. Employees do the enforcement themselves by laughing, warning one another, and remembering which outfit produced a comment.

The ambiguity is also uneven. Some people seem free to dress casually because their competence is established. Newer employees and people in client-facing roles receive more commentary. The same item can be “creative” on one person and “not quite office” on another.

I am not arguing that workplaces can never set appearance expectations. If certain meetings require a particular level of formality, say so. If safety or client context matters, explain it. A clear standard can be evaluated. A joke can always be denied.

I am considering asking HR for examples of what business casual means here and whether managers are expected to address concerns directly rather than through comments. My manager will probably say I am taking harmless humor too seriously.

Humor is part of workplace culture. It is also an efficient way to deliver a rule without creating a record of the rule.

How would you ask for clarity without inviting an even stricter policy? What separates ordinary social commentary from an unofficial standard employees are expected to decode?