A black and white shirt jacket and brown chinos are absolute mainstays if you're figuring out a semi-casual wardrobe that holds to the highest menswear standards. Puzzled as to how to finish? Complete this look with driving shoes to mix things up. So if it's a boiling hot day and you want to look stylish without putting too much effort, this look will do the job in no time flat. As a gentleman in his thirties, you probably want to start dressing maturely. That's when combos like this are a real life saver.