Soft Pink /Blue/ Green/ Plaid Plaid woolen fabric suitable for making a Duffel coat.. Duffel derives from a town in the province of Antwerp in Belgium where the material used for the coat was made. A duffel coat is usually made of a woolen material with a distinctive feature of a capacious hood made with a tartan or a plaid fabric. This premium fabric offers a superb drape and a luxurious hand-feel, ensuring both comfort and elegance.