The combination of an olive raincoat and a grey crew-neck sweater makes this a solid casual ensemble. You could go down the casual route in the shoe department by finishing off with a pair of dark green leather work boots. This ensemble should erase any doubts you had about dressing casually as a 30-something.
Grey Crew-neck Sweater with Olive Raincoat Casual Outfits For Men In Their 30s
In fashion situations comfort is paramount, try pairing an olive raincoat with a grey crew-neck sweater. Balance this look with a more relaxed kind of shoes, like this pair of white leather low top sneakers. Perfect if you're after some incredibly inspiring Millennial casual style.