(And yes, we know we're using “blazer,” “sport coat,” and “jacket” interchangeably ... and the casual unlined silhouette feels more like a shirt than a stiff suit.

He also pairs blazers with trousers in a near-identical color—an almost-a-suit look he calls “quite casual, but still elegant.” Indeed, a few key moves can freshen up tailoring and ensure you’re not ...

On Friday, Sarah Ferguson, 65, opted for a sailor suit jacket over a black rollneck dress ... At the beginning of December, she went for a more casual look, while posing with Richard Patricia ...