The formula for casually neat menswear style? An olive shirt jacket with a long sleeve shirt. If you're clueless about how to finish, complete your look with a pair of black suede casual boots. In the winter season, when comfort is everything, it can be easy to surrender to a less-than-stylish ensemble. However, this ensemble is a clear example that you totally can stay comfortable and remain stylish at the same time in the winter season. So if you need fashion inspo for dressing as you slip into your 30s, this ensemble is definitely worth saving for later.