This smart combo of a dark green puffer jacket and grey chinos is super easy to put together without a second thought, helping you look awesome and ready for anything without spending a ton of time going through your wardrobe. A pair of athletic shoes easily ups the street cred of this look. As you're going from your 20s to your 30s, you want to start dressing like an adult. If that's the case, outfits like this are a foolproof option.