You can dress up a casual outfit by adding accessories such as jewelry, scarves, or a blazer. You can also wear shoes with a dressier style, like pumps or loafers. Our, sweatshirts like our Los Happy Cropped Sweatshirt, can be easily dressed up, by wearing it with some wide leg trousers, or a pleated skirt paired with a blazer and some sneakers. It'll make the perfect smart-casual outfit.