As you can see here, it doesn't require that much effort for a man to look effortlessly sleek. Try teaming a charcoal windbreaker with a shawl cardigan and you'll look awesome. On the fence about how to finish your outfit? Rock a pair of black leather loafers to bump it up a notch. As a 30-year-old gent, you probably want to start dressing more professionally. That's when ensembles like this are a foolproof option.