For an off-duty ensemble, consider teaming a navy v-neck sweater with blue jeans — these two pieces work perfectly well together. Finishing with black leather loafers is a guaranteed way to inject an air of elegance into your getup. This combo is our idea of perfection for when leaves turn yellow and red and autumn is at its best. Ideal to portray that even as a 20-something guy you're confident enough to hold your own in the fashion department.