The Warmer in Grey Flannel is sold as an add-on for The American Trench. Makes the American Trench comfortable for temps in the upper 30s and 40s (deg F) and more of a three-season piece.

THE DETAILS:

100% American made wool flannel cloth face from American Woolen Company, polyester backing
Buttons into The American Trench (choose the same size as your trench)
Bottom pockets on the liner are sized to hold detachable hood
made in the USA

Cut and sewn at a factory in Northern NJ, about 30 minutes from New York City.