The Arc'teryx Women's Atom LT Vest is a top choice for women seeking a sleeveless insulated lightweight safety activewear vest. It features Coreloft synthetic insulation, which provides warmth even when wet. The vest has a durable water-repellent finish to keep you dry in light rain or snow. It also has zippered hand pockets and an interior chest pocket for convenient storage. With its sleek design and exceptional performance, it's no surprise that this vest is a best seller on Amazon.