This laid-back combo of a brown harrington jacket and skinny jeans is extremely easy to put together in seconds time, helping you look sharp and prepared for anything without spending too much time combing through your wardrobe. A pair of dark brown leather chelsea boots will bring a classic aesthetic to the getup. As you're going from your 20s to your 30s, you want to start dressing like an adult man. That's when inspo like this is very useful.