The Arc'teryx Women's Atom LT Vest is a lightweight and breathable activewear vest that is perfect for layering. It is made with a windproof and water-resistant fabric that keeps you protected from the elements. The vest features Coreloft synthetic insulation for warmth and moisture management. It also has zippered hand pockets and an adjustable drawcord hem for added convenience. Whether you're climbing, skiing, or hiking, this vest is designed to keep you comfortable and protected.