For sophisticated style with a modern spin, consider teaming a navy trenchcoat with grey dress pants. If you want to easily dress down your ensemble with shoes, why not add a pair of plimsolls to the equation? After 30, you probably want to start dressing more maturely. In this case, inspo like this comes in very useful.
Grey Dress Pants with Plimsolls Dressy Outfits For Men In Their 30s
One of the most elegant ways to style such an essential piece as a navy trenchcoat is to pair it with grey dress pants. Add a pair of plimsolls to the equation to switch things up. In your thirties, you probably want to start dressing in a classier manner. If that's the case, inspiration like this is very useful.