The Sincerely Jules Navy Knit Button Best in size M is a stylish and versatile vest perfect for casual occasions. Made from a comfortable cotton blend knit fabric, this sleeveless vest features a solid blue color and a button closure for a classic and preppy look. With a slim fit and lightweight design, this vest is ideal for wearing in the summer, fall, or spring seasons. Easy to care for with machine washable instructions, this vest is a must-have addition to any woman's wardrobe.