This combo of a crew-neck sweater and sweatpants makes for the ultimate off-duty outfit for today's gent. Puzzled as to how to finish off? Introduce grey athletic shoes to the equation to switch things up. So when spring is in full effect, you'll find this combination to be your everything. Those who are curious how to sport cool off-duty dressing as you make it through your 20s, this getup should answer your question.