The Arc'teryx Women's Atom LT Vest is a highly rated sleeveless insulated waterproof packable activewear vest for women. It is made with a lightweight and breathable nylon shell and filled with Coreloft synthetic insulation, providing excellent warmth and moisture management. The vest features a water-resistant finish, keeping you dry in light rain or snow. It also has a packable design, allowing you to easily compress and store it in your backpack or suitcase. The Arc'teryx Women's Atom LT Vest is available in various colors and sizes, ensuring a perfect fit for every woman. Whether you're hiking, climbing, or traveling, this vest will keep you warm and protected.