39 gsm – 1.2 oz./yd² – 2 oz./lin. yd 100% polyester taffeta with water repellent finish. Insulation: Five fifty fill power 90% down 10% feather. Ultra lightweight down jacket. Features warm and highly compressible down insulation. Integrated packable pouch. Contrast YKK Reverse coil front zipper closure with add-on logo puller. Outer pockets with contrast color zipper closure. Elasticized cuffs, drop tail hem.