A long sleeve shirt and light blue wool chinos are the kind of a winning casual look that you so awfully need when you have no time. Amp up the appeal of this outfit with navy chelsea boots. During winter, when warmth is essential, it can be easy to surrender to a less-than-stylish outfit in the name of convenience. However, this outfit is a striking example that you can actually stay toasty and remain equally stylish during winter. As you're going from your 20s to your 30s, you want to start dressing more professionally. If that's the case, inspiration like this proves very useful.