Rock a grey overcoat with charcoal wool dress pants if you're going for a proper, stylish outfit. Avoid looking overdressed by rounding off with brown suede desert boots. As a 30-something man, you want to start dressing more maturely. If that's the case, combinations like this are perfect as inspiration.
Marrying a grey overcoat with black dress pants is a good pick for a dapper and classy outfit. Take a more casual approach with shoes and complement this outfit with brown suede desert boots. As you mature into your 30s, you probably want to start dressing more like a mature gentleman. In this case, outfits like this are ideal as inspo.