Consider pairing a white dress shirt with charcoal chinos if you're going for a proper, stylish look. Finishing with dark brown leather loafers is the simplest way to inject an added touch of style into this outfit. An obvious pick for gents over 30!
Pairing a grey blazer and charcoal chinos is a fail-safe way to infuse your daily repertoire with some effortless elegance. For something more on the classy end to round off this look, introduce a pair of dark brown leather loafers to the mix. This ensemble is probably exactly what you've been looking for as a 30-year-old gentleman.