The Arc'teryx Women's Atom LT Vest is a versatile and durable sleeveless activewear vest. It is made with a lightweight and breathable fabric that is also wind and water-resistant. The vest features Coreloft synthetic insulation for warmth and moisture management. It also has a zippered front and hand pockets for storage. Whether you're hiking, climbing, or just running errands, this vest will keep you comfortable and protected from the elements.