For Men Lightweight suit in any color (Optional if Hot) Dress shirt (white or light color) Tie optional, please wear one if you have no suit. Dress shoes Avoid: jeans, sneakers, T-shirts, or overly casual looks. For Women Cocktail or formal dress (knee-length to full length) Heels, dressy flats, or elegant sandals Avoid: Light-colored/white outfits, casual sundresses, denim, or flip-flops.