When snow hit Gallipoli in November 1915, soldiers turned to the khaki woolen coat, known as the Greatcoat, for protection against the cold and wet climate. This iconic piece of clothing often doubled as a soldier's bedding and was his chief protection against the harsh weather conditions. 

XS = 30' - 75cm chest

9  =  40-41" Chest  5'7" - 5'8" tall
10 = 36-37  Chest  5'9" -5'10" tall

Please note: as these are military surplus there may be some colour, quality and style variation to the image show