This classic and casual combo of a grey blazer and blue chinos is very easy to pull together in no time flat, helping you look sharp and prepared for anything without spending too much time digging through your wardrobe. And if you need to effortlessly play down this getup with one single item, why not add a pair of white leather low top sneakers to your ensemble? Seeing as temps are falling, this outfit seems a nice option for in between seasons. This ensemble proves how 30-something guys wow in the style department.