The Arc'teryx Women's Atom LT Vest is a high-performance sleeveless waterproof activewear vest. Made from a combination of nylon and polyester, this vest offers excellent water resistance and breathability. It features Coreloft synthetic insulation, providing warmth even in wet conditions. The vest has a full zip closure and a stand-up collar for added protection. It also has multiple pockets, including two zippered hand pockets and an internal chest pocket, for storing your essentials. With its durable construction and advanced insulation, this vest is a top choice for outdoor enthusiasts.