If you wore the coat in a dream, then such dream symbolizes protection and shelter you have made. Perhaps there are certain things you wish to keep for yourself or dont want to be recognized by others. Try to pay attention to the style, material and color for a better explanation of the dream. If the coat is vintage or very old and used, then it shows the tiredness you are suffering from. If the coat is expensive, sparkling and furry, then it shows the luxurious life you are going to have. There is also a possibility that you are trying to be noticed by others.
Read more about dreaming of Coat in other dream meanings interpretations.