Go for something effortlessly refined yet timeless with a beige cardigan and a long sleeve shirt. Not sure how to round off? Add a pair of olive athletic shoes to the equation to mix things up a bit. Many people suppose that just because it is snowing outside you have to sacrifice your style, but that's just not true, and this outfit is proof. This pairing is your answer to the question of what to wear as you go into your 30s.