The Storm Jacket is our iconic, four-season mountain shell - time-tested and continually refined since its introduction in 1987. Made from a 2-layer, 4-oz. textured nylon with our waterproof/ windproof/breathable H2No Storm barrier, it possesses all the common shell features, plus anatomically curved elbows. Lined in moisture-wicking mesh in the upper body; taffeta in the lower body and \"sleeves to shed snow. Imported."