A down vest is a popular apparel item that is perfect for colder weather or outdoor activities. It is a sleeveless jacket that is insulated with down feathers to keep you warm. The words "puffer vest," "quilted vest," "insulated vest," and "winter vest" are synonyms for down vest. These terms describe the basic characteristics of a down vest and its purpose. Each of these synonyms highlights the importance of the insulation material. Whether you are hiking, skiing, or just running errands around town, a down vest is a versatile and comfortable option to keep you warm and cozy.