For an outfit that's pared-down but can be flaunted in a ton of different ways, try teaming a grey herringbone coat with a white crew-neck t-shirt.
White Crew-neck T-shirt with Grey Herringbone Coat Cold Weather Outfits For Women In Their 30s
The combination of a grey herringbone coat and a white crew-neck t-shirt makes for a solid casual look. To introduce a bit of flair to this look, complete your ensemble with a pair of black leather oxford shoes.