The North Face Women's Aconcagua Vest is a top-selling sleeveless lightweight thermal packable activewear vest on Amazon. It is designed to provide maximum warmth and comfort during outdoor activities. The vest is filled with 550-fill goose down insulation, which offers excellent heat retention without weighing you down. It features a durable water-repellent finish to keep you dry in light rain or snow. The Aconcagua Vest also has a stylish and flattering fit, with a slimming quilted design and a stand-up collar. Whether you're hiking, skiing, or simply running errands, this vest is a must-have for any active woman.