The Arc'teryx Women's Atom LT Vest is a versatile and breathable sleeveless insulated vest. It is made with synthetic insulation, providing excellent warmth even in wet conditions. The vest features a durable and wind-resistant outer shell, keeping you protected from the elements. With its lightweight and packable design, this vest is perfect for layering or wearing on its own. Stay warm and stylish with the Arc'teryx Atom LT Vest.