WW2 Army German M36 Flied Grey Wool General Greatcoat Repro Army Trench OverCoat. Heavyweight construction, made of 100% wool. The classic military wool overcoat guarantee warmth, cotton twill lining for comfort.Such coats were used in German army since 1940 till the end of World War II. It was the most popular pattern of field coats in Heer and Waffen SS units. Help us grow our reputation here as well! All orders come with 100% SATISFACTION GUARANTEE.