Dark Mushroom Look by M Women’s Basic Shawl Vest Versatile: 4 in 1 Basic Shawl Vest. 2 different styles at 2 lengths. One size fits most: Womens US 0-10. Comfortable: 100% acrylic, soft, warm sweater material. Perfect for layering. Basic Everyday Layer: Throw on over any outfit for added warmth in the office, traveling, or just at home relaxing.