The three button suit has been a standard for men's dress suits throughout the decades. They're perfect for any formal occasion, such as a wedding or job interview. A three button black suit or three button navy suit is perfect for when you need an outfit that is elegant and classy. For other occasions where more personality is desired, a red or white three button men's suit is perfect to show off that side of you. No matter what color you choose, the men's three button suit is a classic look that will never go out of style.