For an effortlessly polished ensemble, dress in an overcoat and a black and white crew-neck t-shirt — these items play perfectly well together. And if you wish to immediately spruce up this look with footwear, add a pair of black leather chelsea boots to the equation. In the winter season, when warmth is the priority, it can be easy to settle for a less-than-stylish look in the name of functionality. But this look is a practical illustration that you can actually stay comfortable and remain equally stylish during the winter season. As you turn 30, you probably want to start dressing sharper. That's when outfits like this are a tested option.