Inject style into your day-to-day arsenal with a white and red and navy plaid long sleeve shirt and black jeans. Let your styling chops really shine by finishing off this ensemble with a pair of dark brown suede chelsea boots. As you can see here, it's extremely easy to look amazing and stay toasty when colder weather hits, all thanks to combinations like this. This combo shows how 20-year-olds kill it in the style department.