Most work places have a bit of leniency when it comes to Friday dress codes. But some are very set in how they expect a person to dress even from Monday to Friday with no exceptions with the expectation being formal from head to toe.
The more lenient work places allow for a pair of fitted jeans on a Friday but one must wear a collared shirt. The answer, Samson.
Don’t forget, dressing up to express your personality while staying within the borders.