PATAGONIA. 84711BCW. WOMENS DOWN SWEATER HOODY. BIRCH WHITE. The perfect warmth for just about everything our classic Down Sweater Hoody is lightweight and windproof with a 100 percent recycled polyester ripstop shell and 800-fill-power Advanced Global Traceable Down -goose down certified by NSF International to help ensure the birds that supply it are not force-fed or live-plucked-.