The Arc'teryx Women's Atom LT Vest is a versatile and durable sleeveless hooded vest. It is insulated with Coreloft synthetic insulation, providing warmth even in wet conditions. The vest is also wind-resistant and breathable, making it suitable for various outdoor activities. It features a sleek design with a slim fit and a low-profile hood. Whether you're climbing, skiing, or simply exploring the city, this vest will keep you comfortable and protected.