Engineered with VerticalX™ SuperStrand technology, this lightweight vest delivers exceptional warmth through a hybrid insulation system combining premium down and synthetic materials. The ultra-compact design stuffs into its own left-hand pocket, making it ideal for backcountry adventures and layering systems. Built with durable 100% nylon 12D ripstop fabric, it features an insulated collar, zippered hand pockets, and a streamlined profile that minimizes bulk without compromising thermal performance. Perfect for mountaineers and backcountry enthusiasts seeking reliable insulation in a packable format. 100% Nylon 12D Rip Stop Shell and LiningVerticalX SuperStrand Insulation 100% Polyester