If the situation permits an off-duty outfit, you can easily go for a grey v-neck t-shirt and a black leather pencil skirt. If you wish to immediately up your ensemble with a pair of shoes, why not complete your look with a pair of pumps?
Grey V-neck T-shirt with Pumps Cold Weather Outfits In Their 30s
If you need to feel confident in your getup, try teaming a grey v-neck t-shirt with light violet floral skinny pants. For shoes, follow a more classic route with pumps.