The Marmot Women's Jena Vest is a top-rated sleeveless waterproof activewear vest that offers lightweight warmth and protection. Made from 100% polyester, this vest features a durable water repellent finish to keep you dry in light rain or snow. It is insulated with 700-fill-power down, providing excellent warmth without adding bulk. The vest also has a slim fit and a stylish design, making it a great choice for outdoor activities. With its high-quality construction and reliable performance, it's no wonder that customers highly recommend this vest on Amazon.