This casual combination of a navy wool harrington jacket and charcoal chinos is extremely easy to throw together in no time, helping you look sharp and prepared for anything without spending a ton of time combing through your closet. To add some extra definition to your outfit, complement your ensemble with a pair of brown leather chelsea boots. This outfit is a great choice if you're piecing together a standout outfit for weird fall weather. This ensemble demonstrates how guys in their 30s slay in the style department.