If you're in search of a casual but also seriously chic look, try teaming a grey cardigan with a white crew-neck t-shirt. Ramp up this whole ensemble with black athletic shoes.
Grey Cardigan with White Crew-neck T-shirt Smart Casual Cold Weather Outfits For Women
This is hard proof that a grey cardigan and a white crew-neck t-shirt look awesome when teamed together in a casual ensemble. Ramp up your whole look with black suede lace-up ankle boots.