The Arc'teryx Women's Atom LT Vest is a best-selling waterproof activewear vest that is perfect for layering. This vest is made from a durable nylon fabric that is both water-resistant and windproof. It features a full zip closure and a stand-up collar for added protection. The vest also has two zippered hand pockets and an internal chest pocket for convenient storage. With its lightweight and breathable design, this vest is ideal for a wide range of outdoor activities.