Such essentials as a grey sweatshirt and grey sweatpants are an easy way to inject some cool into your casual rotation. Get a little creative in the shoe department and add black leather ankle boots to the equation.
Grey Sweatshirt with Grey Sweatpants Chill Weather Outfits For Women
For something more on the cool and casual end, wear this pairing of a grey sweatshirt and grey sweatpants.