For an outfit that's very straightforward but can be flaunted in a multitude of different ways, try teaming a navy knit blazer with a black polo. Don't know how to round off this ensemble? Round off with dark brown leather tassel loafers to turn up the fashion factor. As you're moving through your late 20s, you want to start dressing like a grown-up. In this case, combinations like this prove useful as a source of inspiration.