This pairing of a cardigan and a blue crew-neck t-shirt is proof that a safe casual ensemble doesn't have to be boring. Unimpressed with this outfit? Introduce dark brown leather casual boots to change things up a bit. During the winter months, when warmth is essential, it can be easy to surrender to a less-than-stylish outfit in the name of functionality. However, this outfit is a striking example that you can actually stay comfy and remain equally stylish during the winter months. So if you're hunting for a stylish and age-appropriate combo, this just might be it.