FROST Light weight PrimaLoft® jacket. This jacket works equally well as an outer layer for chilly days in early spring/fall as well as a winterjacket in good weather conditions. This piece can also be used as a heavy duty insulation layer for really cold weather conditions. The outer fabric is an ultralight weight nylon fabric, offering 100% windproofness, breathability and a slight water repellancy. The padding is Primaloft® Black Eco, which provides maximum warmth-to-weight ratio, water repellancy and superior softness. The jacket has a high collar construction with a zipper garage, two open side pockets and one chest pocket with a zipper. Bluesign®.