The Arc'teryx Atom LT Vest is a top-selling choice for women looking for a versatile and lightweight insulated vest. This vest is made from a combination of nylon and polyester, providing both durability and comfort. It features Coreloft synthetic insulation, which retains warmth even when wet. The Atom LT Vest also has a slim fit and a low-profile collar, making it a stylish option for layering or wearing on its own. Whether you're hiking, skiing, or simply running errands, this vest will keep you warm and protected from the elements.