A shawl cardigan and tobacco chinos worn together are a savvy match. Dark brown leather casual boots are a nice choice to finish off this look. During the winter months, when functionality is a must, it can be easy to settle for a less-than-stylish ensemble. However, this ensemble is a striking example that you can actually stay warm and remain stylish during the winter months. When it comes to outfit ideas for 30-year-olds, this look is ideal.