You're looking at the undeniable proof that a navy cardigan and white dress pants look awesome if you wear them together in a classy look for a modern gent. A pair of black leather loafers is a savvy pick to finish off this outfit. Loving how ideal this look is when chillier weather comes. As a 30-something guy, you want to start dressing more professionally. In this case, outfits like this are a winning option.