The Arc'teryx Atom LT Vest is a high-quality sleeveless insulated vest designed specifically for women. It is made from a combination of nylon and polyester, providing both durability and warmth. The vest features Coreloft synthetic insulation, which retains warmth even when wet. It also has zippered hand pockets, a stand-up collar, and a full-zip front for easy layering. Whether you're climbing, hiking, or engaging in other outdoor activities, this vest offers excellent performance and comfort.