Aquascutum
... TRENCH COAT The most reliable Military Waterproof Produced SELF PRAISE IS NO RECOMMENDATION. Read what Officers say about Aquascutum. I wore it continuously from the 13th to the 18th and slept in it in muddy and damp trenches, and for the major part of the time it was raining. I am glad to say the coat kept me absolutely dry the whole time. I have tried no less than four different coats ...