* Jeans or khakis
* T-shirt or polo shirt
* Sneakers or sandals
Business Casual
* Slacks or dress pants
* Button-down shirt or blouse
* Dress shoes
Formal
* Suit or tuxedo
* Dress shirt
* Tie
* Dress shoes
When in doubt, it is always best to err on the side of caution and dress more formally than you think you need to.