The Boden Martha Sheath Dress in Black is a knee-length dress made of a cotton blend with elastane for stretch. It has a sleeveless design with a round neckline and a zip closure. The dress features pockets and accents such as a zipper. It is suitable for various occasions such as parties, cocktails, casual and business events. The dress is available in size 18 and is designed for plus-size women. It is machine washable and comes in a classic, colorful designer style.