ULTRALIGHT JACKETWindproof, breathable, and compressible, youll notice our Ultralight Jacket only by the versatility and comfort it delivers. The lightweight 1. 5 oz. Cordura nylon shell is low bulk so the jacket can pack into the tightest spaces. A double layer over the shoulders provides additional protection from weather and wear. The 60g PrimaLoft Gold insulation was engineered to closely mimic the softness and compressibility of goose down, with superior