This Chaus dress is a perfect addition to any wardrobe. It features an abstract black and gray pattern, long  sleeves, and a round neckline. The dress is made of polyester knit fabric, making it stretchy and comfortable for any season - whether it's winter, summer, fall, or spring. The pullover closure adds a touch of simplicity to the chic design, and the knee-length dress is suitable for both formal and casual occasions. The dress is labeled as M size. Great basic black dress that you could dress up or down. note the last 2 pics, it has a lining in the back for a sleek back !