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; Laminated stretch shell with welded puffer channelling; body: 4 oz.yd² / 135 gsm, 100% polyester stretch jersey with 6,000 mm waterproof membrane; lining: 100% polyester taffeta; insulation: 20g, 100% polyester UTK Subdown™ fill; UTK Subdown™ technology offers the thermal benefit of down with the ease of synthetic insulation; UTK Hydropel™ technology repels water without sacrificing comfort in wet conditions; laminated stretch shell with welded puffer channelling creates cold-weather insulation with greater ease-of-movement; insulation: 100% polyester XXX fill power thermal UTK Subdown™; center front coil zipper with contrast teeth, autolock slider and rubber toggle; right chest and lower front zippered pocket with contrast teeth and rubber toggle; dyed-to-match stretch binding; audio port access through inside left pocket;