If you're looking to take your off-duty game to a new height, consider wearing a sleeveless coat and a grey turtleneck. All you need is a nice pair of black suede pumps to complement this outfit.
Grey Turtleneck with Sleeveless Coat Smart Casual Warm Weather Outfits
If you'd like take your casual style game to a new height, team a sleeveless coat with a grey turtleneck. A pair of grey suede pumps will pull this full look together.