Men's suits are matching pants and coats cut from the same cloth. They are traditionally worn for business and formal activities. A man's suit is typically worn with a collard shirt, necktie. Hats are also an acceptable accessory.

When wearing a suit, there are certain rules that must usually be followed. Double-breasted suit coats are typically kept unbuttoned while single-breasted coats may be done either way. If the coat is buttoned, usually the top button is the only one fastened. Typical suit color usually consist of darker colors like black, navy, gray, and charcoal. Pinstripes provide an added touch of professionalism as well.

When selecting a dress shirt to wear with a suit, it is important to coordinate with a proper tie. The necktie should match the color of the shirt. It must also be tied properly in one of various knots. Proper shoes and socks are also important accessories to have when wearing a suit.