Streamlined ThermoBall powered by PrimaLoft baffles are contoured to fit your body and maintain core warmth during winter excursions in cold wet weather. 15D 33 g/m2 100% nylon with DWR finish 11.5 g/ft2 PrimaLoft ThermoBall synthetic insulation Secure-zip hand pockets Stows in left hand pocket Hem cinch-cord Contrast embroidered The North Face logo on left hem and right back shoulderBENEFITSDURABLE WATER-REPELLENT: DWR is applied to the face of the fabric to provide the first line of defense against wet weather.INSULATED: Insulation traps hot air for reduced heat loss and increased warmth.PACKABLE/STOWABLE: Highly compressible layer for emergency use or travel.SYNTHETIC: Designed to replicate the qualities of down but retain them even when wet.