This combination of a blue blazer and navy jeans is the perfect base for a countless number of dapper combos. A pair of brown suede chelsea boots will add a classier twist to this outfit. During winter, when warmth is key, it can be easy to settle for a less-than-stylish ensemble. But this ensemble is a practical illustration that you can actually stay warm and remain equally stylish during winter. This combination illustrates how to remain stylish as you move into your 30s.