For a casually sleek look, dress in a shawl cardigan and a denim jacket — these items play nicely together. Not sure how to finish off? Introduce white leather low top sneakers to the equation to switch things up. As you can see here, it's very easy to look amazing and stay toasty come chillier weather, all thanks to combinations like this one. Dressing inspo like this will help you remain incredibly fashionable as you navigate your 20s.