This combination of a brown check blazer and white dress pants is a safe option when you need to look seriously stylish and elegant. A pair of dark brown leather loafers acts as the glue that will bring your outfit together. Can you see how extremely easy it is to look sharp and stay cozy when chillier weather arrives, all thanks to combos like this? And if we're talking outfit ideas for 30-something Millennial gents, this ensemble is a good look on most gents.