Men's Cerium Vest from Arc'teryx is a warm insulated men's down vest. Depending on the tempterature, the vest can be used alone or as an intermediate layer for additional warmth. Coreloft synthetics™ are used in areas that are exposed to moisture and provide first-class insulation. The vest is compressible and a bag is included so you can pack it when you're out on an adventure. Men's Cerium Vest contains materials that meet the bluesign® criteria. \n\n