The Arc'teryx Women's Atom LT Vest is a versatile and lightweight sleeveless vest that is perfect for layering. It is made with a wind-resistant and water-resistant fabric, ensuring that you stay protected from the elements. The vest features Coreloft synthetic insulation, which provides excellent warmth even when wet. It also has zippered hand pockets and an internal chest pocket for storing small essentials. Whether you're hiking, skiing, or simply running errands, this activewear vest is a reliable choice.