The modern fit Silverton Packable Insulated Jacket combines a trendy retail look with lots of interesting features, starting with an LED zipper pull. Its also got an ECHOHEAT lining and water repellent finish for comfort in cold, damp weather. And when you're in the car or on a plane, you can pack it up and stow it away in a stuff sack built into the left pocket. OUTERSHELL: 100% Nylon dull cire 380T woven, water repellent 600mm and downproof, 38 g,meter square (1.1 oz/yard square). LINING: 100% Polyester 240T ECHOHEAT body and hood. 100% Polyester taffeta 210T cire finish. INSULATION: 100% Polyester faux down fill.