This is definitive proof that a cardigan and navy dress pants look awesome when married together in an elegant outfit for a modern dandy. Black leather brogue boots will bring a more casual touch to an otherwise all-too-safe outfit. As a 30-something guy, you want to start dressing with more refinement. That's when ensembles like this become a great source of inspiration.
Navy Dress Pants with Cardigan Cold Weather Outfits For Men In Their 30s
A cardigan and navy dress pants are a refined ensemble that every modern gent should have in his sartorial collection. A pair of burgundy leather loafers is a nice option to round off this outfit. If you want to project maturity, a look like this is a goofproof option.