Wear our Quilted Pack Jacket on its own in the spring and fall, and zipped into a compatible Filson rain jacket when the weather turns sour – its versatility makes it ideal for any season. 60g PrimaLoft® Gold insulation provides lightweight warmth, even if it gets soaked. Its rib-knit cuffs and collar seal in the warmth and provide a custom fit. Equipped with a drawcord-adjustable waist and interior stow pocket.