Pairing a shawl cardigan and a grey crew-neck sweater is a fail-safe way to inject your closet with some laid-back elegance. For a more casual spin, why not add a pair of brown snow boots to the mix? During the colder months, when warmth is everything, it can be easy to surrender to a less-than-stylish outfit in the name of convenience. However, this outfit is a vivid example that you can actually stay comfortable and remain stylish at the same time in the colder months. As a 30-year-old guy, you probably want to start dressing like an adult. That's when combinations like this are a fail-safe option.