This semi-casual combination of a white dress shirt and navy chinos is super easy to pull together in no time, helping you look amazing and prepared for anything without spending a ton of time going through your wardrobe. A pair of blue leather sandals will give a carefree vibe to this ensemble. So if it's a roasting hot summertime afternoon and you want to look dapper without exerting much effort, this outfit will do the job in seconds time. Casual getups for stylish 30-something gentlemen aren't actually that hard, as you see.