The Marmot Women's Jena Vest is a lightweight and packable sleeveless windproof thermal vest. It is made from durable nylon fabric and filled with 700-fill goose down insulation, providing excellent warmth and protection against the wind. The vest features a full zip closure and a stand-up collar for added coverage. It also has zippered hand pockets and an internal chest pocket for convenient storage. With its compressible design, this vest can be easily packed into a backpack or suitcase, making it ideal for travel and outdoor adventures.