This casual combo of a crew-neck sweater and navy jeans is a goofproof option when you need to look sharp but have zero time to spare. And if you wish to easily lift up your outfit with one single item, why not complement this ensemble with derby shoes? Dressing smartly is the key to surviving extra cold temps, but this ensemble is a stark illustration that you can do it with style. If you frequently wonder how to dress age-appropriately, this pairing is a wonderful example.