Combining a grey waistcoat and a charcoal suit is a fail-safe way to inject your daily arsenal with some rugged refinement. Let your outfit coordination prowess truly shine by rounding off your outfit with black leather derby shoes. When temps are dipping and autumn is settling in, you'll love this getup as your uniform for summer-to-fall weather. As you're moving through your late 20s, you want to start dressing with more class. If that's the case, outfits like this are a real lifesaver.