A parka and a v-neck sweater will inject your current rotation this casually stylish vibe. Get a bit experimental in the footwear department and finish with a pair of brown leather casual boots. In the winter months, when warmth is critical, it can be easy to surrender to a less-than-stylish look in the name of functionality. However, this look is a vivid example that you totally can stay comfy and remain stylish in the winter months. This one is a modern and mature combination for 30-year-old gents.