A duffle coat is a warm heavy coat that is typically made from thick wool material and features a hood and toggle fastenings. However, there are several synonyms that can be used to describe this type of coat, including a wool coat, toggle coat, hooded coat, and winter coat. Other terms that can be associated with duffle coats include pea coats, trench coats, parkas, and overcoats. Overall, these coats are designed to provide warmth and protection from the elements and are often worn during the colder months of the year. Regardless of the term used to describe them, they are a staple in any winter wardrobe.