A dress shirt and jeans are among those extremely versatile menswear staples that can revolutionize your wardrobe. A pair of brown leather low top sneakers will give a playful touch to your outfit. During the winter months, when warmth is key, it can be easy to settle for a less-than-stylish look. This look, however, proves that you totally can stay comfy and remain equally stylish in the winter months. When it comes to casualwear for guys in their 30s, this getup is perfect.