The new version of our Synchilla Jacket II - first offered in Fall 2000 - zips into the Men's Liquid Sky Jacket (sold separately) for added warmth. Made of lightweight 8-oz. PCR (post-consumer recycled) Synchilla fleece, it has one zippered chest and two handwarmer pockets, Y-Joint sleeves and quick-drying, self-fabric cuffs and hem. Please note: previous season Synchil la Jackets do not zip into the Liquid Sky. Made in USA.