The Arc'teryx Women's Atom LT Vest is a top-rated choice for women's insulated activewear. It is made from a combination of nylon and polyester, offering excellent durability and weather resistance. The vest features Coreloft synthetic insulation, which provides warmth even when wet. It has a zippered front closure and a high collar for added protection against the elements. The Atom LT Vest also has zippered hand pockets and an internal chest pocket for secure storage. Its slim fit and minimalist design make it suitable for various outdoor activities, such as climbing, hiking, or skiing. Choose this vest for lightweight warmth and superior performance.