This casual combination of a denim jacket and white jeans is very easy to throw together in seconds time, helping you look awesome and ready for anything without spending too much time digging through your wardrobe. Want to dress it up in the shoe department? Complete this outfit with brown loafers. As you're approaching your 30s, you probably want to start dressing like a grown man. If that's the case, outfits like this are a goofproof option.