Such items as an overcoat and a grey long sleeve t-shirt are an easy way to introduce some refinement into your casual repertoire. Make black leather casual boots your footwear choice for maximum fashion points. Putting together a well-coordinated outfit can be a bit of a juggling act on its own. Add cold temps into the equation, and the whole thing becomes even more difficult. Fear not, this here is your winter inspo. This combination demonstrates how to slay in the casual fashion department as a young gent.