|2 Button Suit|
The standard executive suit worn by businessman all over is 2 button suits. It's the number one choice among Americans for all occasions. This jacket should always be worn with the bottom button left undone. The wearers allow sitting down without risking a tear of their button.
British Style is more regal and formal look, 3 buttons suit is standard with this design. It can be worn in any occasions, at the office or interview. According to the article about Mens Suits,a man with a large belly and small chest this the best suit for them to cover both of these areas.