"Business casual" dress is the style of clothing that's most common in modern American workplaces. The exact definition can vary, but it typically means:

For women:

• Wear a skirt, pants, or a simple dress
• Don't wear a formal dress (like you would wear to a fancy party)
• Don't wear jeans, t-shirts, or sweatshirts
• Don't wear clothes that are too revealing

For men:

• Wear a dress shirt or jacket with no tie.
• Wear khaki pants or dress pants
• Don't wear big boots, sandals, or athletic shoes