This sophisticated combination of a double breasted blazer and a grey dress shirt will hallmark your outfit coordination chops. For something more on the casual side to finish off your getup, complete your look with grey leather loafers. So if it's a hot weather day and you want to look stylish without exerting much effort, this getup will do the job in no time. As you're going through your late 20s, you want to start dressing with more sophistication. In this case, ensembles like this are perfect as inspo.