This is irrefutable proof that a grey three piece suit and a white and black houndstooth overcoat look awesome when married together in a refined outfit for a modern man. Let your sartorial expertise really shine by finishing off this getup with a pair of black leather tassel loafers. Rest assured, this look will keep you snug as well as looking sharp in this transitional weather. As a 30-something Millennial gent, you want to start dressing with more elegance. In this case, looks like this are perfect as inspiration.