2. Electrify the Flannel Suit: Three Ways to Wear It with 'Tude

The gray flannel suit? Kinda simple—and that's always been the whole idea. But we like how it plays once you build all the modern trappings around it. These are our three favorite ways to give your grays a swift kick in the seat.

a) Layer up with a down vest and you can leave the topcoat at home.

Suit, $525 by Calvin Klein. Vest, $450 by Columbia Sportswear + Jeffrey New York. Shirt, $150 by Gitman Vintage. Tie, $125 by Black Fleece by Brooks Brothers. Shoes, $650 by Florsheim by Duckie Brown. Socks by Paul Stuart. Tie bar by The Tie Bar. Pocket square by Lands' End Canvas.