A camel duffle coat and a long sleeve shirt are worth adding to your list of must-have menswear pieces. On the footwear front, this ensemble pairs really well with dark brown leather casual boots. During the colder months, when warmth is everything, it can be easy to settle for a less-than-stylish outfit in the name of practicality. However, this outfit is a shining example that you totally can stay toasty and remain stylish at the same time during the colder months. So if you're looking for outfit inspiration for dressing as you step into your 30s, this outfit is a perfect example.