This smart combo of a dark brown shirt jacket and brown chinos is very easy to put together in next to no time, helping you look on-trend and prepared for anything without spending a ton of time going through your wardrobe. For extra fashion points, add dark brown leather chelsea boots to the mix. You can take cues from ensembles like this if you've passed the big 3-0 and you want to take a more mature approach to your personal style.