The Marmot Women's Aruna Down Vest is a sleeveless hooded activewear vest that offers lightweight warmth and comfort. It is filled with 600-fill power down insulation, which provides excellent heat retention without adding bulk. The vest is also made with a water-resistant fabric that repels moisture and keeps you dry in light rain or snow. With its stylish design and functional features, this vest is perfect for layering over your favorite activewear or casual outfits.