Men's VOORMI PuffyThe puffy that doesn't trap your sweat. Here's the problem with most down jackets: the synthetic liner holds moisture against your body. You warm up, you sweat, the liner can't wick it away, and suddenly you're cold and clammy inside your own insulation. The VOORMI Puffy fixes this with a DUAL SURFACE merino wool liner. Different performance characteristics on each side one surface pulls moisture away from your skin, the other regulates temperature