A white and red crew-neck t-shirt and jeans are a nice combo to incorporate into your day-to-day outfit choices. Let your sartorial prowess really shine by complementing this look with a pair of dark brown leather desert boots. A kick-ass summer-to-fall look like this one makes it super easy to embrace the new season. As you're going through your late 20s, you want to start dressing maturely. If that's the case, combinations like this come in handy.