Port Authority Men's Big And Tall Waterproof Jacket 100% Nylon 100% ripstop nylon shell with Taslan nylon accents. 1500MM fabric waterproof rating. Fully seam-sealed for added waterproof protection. 2-ounce polyfill insulation in body, 3-ounce polyfill in sleeves. 100% polyester Sherpa fleece body lining.