Why not choose a cardigan and a polo? These items are totally comfortable and look nice teamed together. A pair of tan suede desert boots is a savvy option to finish this look. During the winter months, when warmth is key, it can be easy to settle for a less-than-stylish ensemble in the name of convenience. This ensemble, however, is a striking illustration that you can actually stay comfy and remain equally stylish in the winter months. Now that's how you do semi-casual in your sixties.