The Arc'teryx Women's Atom LT Vest is a popular choice among outdoor enthusiasts looking for a sleeveless windproof thermal vest. Made with a lightweight and breathable nylon shell, this vest is insulated with Coreloft synthetic insulation, providing excellent warmth and moisture management. It features a stand-up collar and a full zip closure to keep the wind out. The vest also has zippered hand pockets and an internal chest pocket for convenient storage. With its slim fit and articulated construction, it offers a comfortable and flattering fit. Whether you're hiking, climbing, or simply running errands, this vest is a reliable and versatile option.