Pairing a field jacket with navy patchwork jeans is a smart pick for a casual yet on-trend getup. And if you want to instantly step up your ensemble with one item, why not complement this outfit with tan chelsea boots? When you're having one of those dull fall days, sometimes only a killer look like this one can cheer it up. Those who wonder how to wear classic and casual outfits as you make your way through your 20s, this outfit should answer your question.