This combo of a charcoal houndstooth overcoat and a black turtleneck is on the line between formal and casual. And if you want to easily polish up your look with one single piece, why not introduce black leather chelsea boots to the mix?
Black Turtleneck with Charcoal Houndstooth Overcoat Outfits
A charcoal houndstooth overcoat and a black turtleneck are definitely worth being on your list of closet must-haves.