Go for an elegant look in a brown blazer and a beige waistcoat. Go the extra mile and switch up your outfit by rocking a pair of beige suede chelsea boots. During winter, when warmth is top priority, it can be easy to settle for a less-than-stylish outfit in the name of practicality. But this outfit is hard proof that you totally can stay snug and remain stylish at the same time during winter. A solid getup as you move into the next decade of your adulthood, your 30s.