For a casually smart look, pair a grey houndstooth overcoat with a black turtleneck — these two items work perfectly together.
Black Turtleneck with Grey Houndstooth Overcoat Cold Weather Outfits
This semi-casual combination of a grey houndstooth overcoat and a black turtleneck can take on different nuances according to how you style it. You can get a bit experimental in the shoe department and complete your ensemble with a pair of black leather chelsea boots.