Port Authority Ladies Nootka Jacket, Black/Black 100% Nylon 2-ounce polyfill insulation in body, 3-ounce polyfill in sleeves. Fully seam-sealed for added waterproof protection. 100% polyester Sherpa fleece body lining. 1500MM fabric waterproof rating. 100% ripstop nylon shell with Taslan nylon accents.