Mayfair Homme Mixed Army GreenDESCRIPTION Norwegian Rain Collection. Trench coat with the name of Mayfair district in London, England. The most distinctive feature of this coat is the 2 layer gimmick in the form of a vest that combines the storm shield on the chest and the umbrella yoke on the back, which are characteristic details of a trench coat. By tying up the waist belt, the storm shield and umbrella yoke stand up well, and the sharp silhouette is cool, but it is not just a