The formula for off-duty style? A tan crew-neck sweater with a crew-neck t-shirt. For extra fashion points, introduce a pair of brown leather casual boots to your look. During the colder months, when warmth is a must, it can be easy to settle for a less-than-stylish look in the name of convenience. But this look is a stark illustration that you can actually stay cozy and remain stylish at the same time during the colder months.