Combining a black cardigan and a dress shirt is a surefire way to infuse your day-to-day repertoire with some manly sophistication. To bring out the fun side of you, introduce a pair of white canvas high top sneakers to your outfit. Keep this combo ready to go when warmer days are here, and we promise you'll save a ton of time trying to pick out a look on more than one morning. This combination shows how 20-year-olds succeed in the style department.