The North Face Women's Aconcagua Vest is a highly coveted sleeveless windproof thermal vest that combines style and functionality. It is made from durable nylon fabric with a water-repellent finish, making it suitable for various outdoor activities. The vest is insulated with 550-fill goose down, providing exceptional warmth without adding bulk. It features a stand-up collar, zippered hand pockets, and a hem cinch-cord for a customizable fit. The Aconcagua Vest is also compatible with other zip-in compatible garments from The North Face, allowing for easy layering. With its flattering fit and reliable performance, it is no wonder that this vest is one of the most wished-for items on Amazon.