A tan turtleneck and navy chinos are the kind of a fail-safe casual combo that you so awfully need when you have no time to spare. For a more casual aesthetic, why not complete your ensemble with a pair of navy suede low top sneakers? So when spring is in the air, this look has a good chance of becoming your first-choice. Semi-casual looks for stylish 20-something gents aren't actually that hard, as you see here.