Originally Posted by Michael Ay329
Since I always wear 3 piece suits to work...its easy, UNBUTTONED, and this is one of the benefits of the vested suit
That's true. For most of the suit's history, until (and including) the 1930s, an unbuttoned single-breasted coat was the default style, because wearing a waistcoat was also the default. If your coat is tailored well, it will have plenty of shape when unbuttoned.