A tan shirt jacket and blue jeans are the kind of a never-failing casual getup that you so desperately need when you have no time to dress up. Complement this getup with beige athletic shoes to make an all-too-safe ensemble feel suddenly fun and fresh. With a look like this in your winter collection, you're guaranteed to stay comfy and look awesome despite the subzero temps. Those who wonder how to wear modern casual style as you navigate your 20s, you have your answer.