For a casual outfit, reach for a hoodie and a dark green crew-neck t-shirt — these two pieces go pretty good together. During the winter months, when practicality is critical, it can be easy to settle for a less-than-stylish look. But this look is a vivid example that you totally can stay comfortable and remain stylish in the winter months. This outfit shows how to succeed in the casual style department as a gent in his 20s.