Channel your masculine sophistication in a dark brown shearling jacket and dress pants. A pair of brown loafers is a smart pick to finish your look. During the colder months, when warmth is key, it can be easy to settle for a less-than-stylish look in the name of practicality. But this look is a practical illustration that you can actually stay comfy and remain equally stylish in the colder months. Definitely a great pick when it comes to fashion tips for 30-year-old guys.