The Arc'teryx Women's Atom LT Vest is a top-rated packable activewear vest known for its exceptional warmth and versatility. Made from a combination of nylon and polyester, this vest offers durability and breathability. It features Coreloft synthetic insulation that retains warmth even when wet. The vest has a full zip closure, zippered hand pockets, and a high collar for added protection. It is also lightweight and compressible, making it easy to pack and carry. With its premium quality and performance-driven features, this vest is highly recommended by outdoor enthusiasts and climbers.