This combo of a tan cardigan and a light blue dress shirt is hard proof that a safe ensemble can still be seriously stylish. On the fence about how to finish off this ensemble? Wear tan leather oxford shoes to turn up the fashion factor. It's is a smart idea when it comes to a neat outfit that will take you from summer to fall. As you reach your 30s, you probably want to start dressing in a sleeker manner. If that's the case, combos like this are ideal as inspiration.