This NWT Sincerely Jules sleeveless sweater vest in size medium is a stylish and versatile addition to any woman's wardrobe. The solid blue color, round neckline, and button accents give it a preppy and fashionable look. Made from a blend of polyester, nylon, and viscose, this knit sweater is lightweight, breathable, and stretchy for added comfort. Machine washable and featuring a collarless design, this vest is perfect for layering over tops or dresses for a chic ensemble.