Flaunt your skills in men's fashion by combining a brown harrington jacket and brown check shorts for a casual look. Rounding off with a pair of mustard suede loafers is an easy way to infuse an extra dose of sophistication into your outfit. So if it's a hot weather day and you want to look sharp without exerting much effort, this outfit will do the job in no time flat. Those wondering how to pull off modern casual outfits in your 30s, this outfit should answer your question.