This casual combo of a blue denim jacket and a pink sweatshirt is extremely easy to throw together in no time flat, helping you look amazing and prepared for anything without spending too much time digging through your closet. When you're having one of those gloomy autumn days, sometimes only a neat ensemble like this one can get you out the door in the morning. If you're not sure how to dress in your 20s, this outfit is a practical example.