4 oz.yd/2 / 135 gsm, 3-Layer 100% polyester stretch jersey with 6,000 mm bonded waterproof membrane; Polyester taffeta lining; 20g polyester UTK SubDown? fill; Contrast 6.5 oz/yd² / 225 gsm, 91% polyester, 9% spandex bonded knit panels; Front panel laminated stretch shell with welded puffer channelling; center front coil zipper with contrast teeth, autolock slider and rubber toggle; dyed to match stretch binding; lower pockets with invisible zippers ; audio port access through inside left pocket;