What is the business formal dress code? What does it mean when they throw that vague phrase at you in a job offer? We can answer that question for you relatively simply: it means to wear a suit.

Whether you’re heading to an important meeting, attending a corporate event, or working in a high-stakes industry, business formal attire signals that you mean business, quite literally.

When you buy through our links, Business Insider may earn an affiliate ... even while dressed in formal attire. Designed to outperform classic wool suits, Ministry of Supply's suits use four ...