This model of SUBU utilizes the flame retardant CORDURA® 350D fabric on the outer layer, which makes it perfect for camping and sitting by a fire. The warmth of a down jacket, and the raised inner fabric and four-layer insole create the feeling of a perfect fit and softness while walking. Materials: Flame-retardant CORDURA 350D outer layer, polyester fill, Synthetic rubber sole, drawstring storage bag Care Instructions: machine wash on gentle cycle, lay flat to dry.