The Outdoor Research Women's Cathode Vest is a highly rated sleeveless activewear vest that offers excellent insulation and weather protection. It is made from a combination of nylon and polyester fabric, which is both lightweight and durable. The vest features PrimaLoft Gold insulation, which provides warmth even when wet. It also has a zippered chest pocket and two zippered hand pockets for convenient storage. The vest's slim fit and stretchy side panels allow for unrestricted movement. With its high-performance materials and thoughtful design, the Outdoor Research Women's Cathode Vest is a top seller on Amazon.