Calvin Klein Men's Classic Packable Down Jacket Black, Midnight, Military Green, Dark Chromium: 100% Nylon; Electric Blue, Granite, Deep Red Metallic: 55% Polyester, 45% Nylon; Navy Melange: 50% Nylon, 50% Polyester Imported Machine Wash Premium down, zip front, open cuffs with soft elastic hem Packs into nylon bag, interior and exterior pockets 5-7 degree Fahrenheit warmth factor