Vycah Cobalt Down Jacket - FallFear the cold no more! Late season hunts provide huge opportunities for the hunter willing to brave the elements, but frigid temperatures create hurdles for the unprepared hunter. Vycahs Cobalt Down Jacket is the key to late season success keeping you in the stand or blind longer. With Vycahs state of the art leather white duck blended down filling, the Cobalt Jacket makes a great warming piece whether worn as an outer layer or under a jacket. Fabric: