A black sweatshirt and black leggings are a good combination to wear on off-duty days. You could perhaps get a bit experimental in the shoe department and elevate your ensemble by finishing off with teal velvet ankle boots.
Black Sweatshirt with Black Leggings Warm Weather Outfits In Their 30s
This combination of a black sweatshirt and black leggings is super easy to copy and so comfortable to sport as well! When this getup is too much, dial it down by rocking black athletic shoes.