This combo of a tan trenchcoat and black dress pants is truly dapper and provides instant elegance. Black suede loafers will add a touch of stylish effortlessness to an otherwise standard look. This look is most probably exactly what you're looking for as a 30-something Millennial gent.
For an outfit that's dapper and Kingsman-worthy, wear a black shearling jacket and black dress pants. Complete this outfit with a pair of black suede loafers et voila, the ensemble is complete. Those wondering how to dress well as you pass the big 3-0, you have your answer.