Pairing a charcoal wool suit and a black turtleneck will prove your outfit coordination prowess. Feeling brave today? Lift up your outfit by rounding off with a pair of black leather oxford shoes. When it's one of those gloomy autumn days, sometimes only a cool getup like this one can get you out the door in the morning. Wondering how to nail semi-casual dressing in your 20s? This combo is a perfect example.