Showcase your style-conscious side by wearing a bomber jacket and a zip sweater. Our favorite of a myriad of ways to complete this outfit is with brown leather casual boots. As you can see, it's very easy to look stylish and stay comfortable when colder weather hits, thanks to this ensemble. As you mature into your 30s, you probably want to start dressing more maturely. If that's the case, inspiration like this comes in handy.