This off-duty pairing of a navy v-neck sweater and cargo pants is a safe bet when you need to look nice in a flash. To give this look a dressier aesthetic, complete this look with a pair of dark brown leather derby shoes. If you're looking for a killer outfit that will take you from winter to spring, you found it. As a young guy, you probably want to start dressing more like a mature gentleman. In this case, outfits like this are perfect as inspiration.