The Calvin Klein Performance Women's Down Vest is a stylish and cozy thermal activewear vest that is perfect for colder weather. Made from a blend of polyester and nylon, this vest offers excellent insulation and warmth. It features 90% duck down and 10% feathers filling that provides superior heat retention without adding bulk. The vest has a full zip front and a stand-up collar for added protection against the cold. It also has zippered hand pockets for secure storage of small essentials. The vest has a slim fit that allows for easy layering under a jacket or over your favorite base layers. Whether you're going for a hike, skiing, or simply running errands, this Calvin Klein vest will keep you warm and stylish.