Teaming a dark brown overcoat and a black overcoat is a surefire way to infuse your styling arsenal with some rugged sophistication. A pair of black leather derby shoes is a good choice to complement your look. So when summer is over and autumn is in the air, this getup is likely to become your go-to. Gentlemen who wonder how to rock smart casual dressing as you make your way through your 20s, this ensemble should answer your question.