Patagonia Women's Ultralight Down Jacket synthetic Imported Nylon lining Machine Wash Regular Fit: Neither slim nor oversized. Regular-fitting technical garments may be worn over heavier midlayers Ultralightweight Pertex Quantum shell and liner fabrics use interlocking Y-shaped nylon fibers to enhance the performance of the DWR (durable water repellent) finish 800-fill-power Traceable Down (goose down traced from parent farm to apparel factory to help ensure the birds that supply it are not force-fed or live-plucked) Variegated channel construction stabilizes goose down; side panels with narrow channels provide shape and reduce bulk Contoured fit accommodates movement while maintain loft and reducing drafts