So what is semi-formal for men? We've got you ... but it does mean you'll need a suit—or, at the very least, a great blazer paired with well-tailored dress slacks. So, button up—we'll help ...

Consisting of a tailored jacket (ideally one that’s not part of a suit) and non-matching pants, the sport coat and trousers combo can do you right in a wide array of formal and semi-formal ...

A double-breasted jacket features two overlapping buttons which cross at the front. “Double-breasted [suits are] made in ...