J. Crew brand. Navy and beige formal dress. Navy is very dark and appears black in some lighting. Size 2. Sleeveless. Back includes zipper that opens down to waist. Slit detail on front of dress. 100% wool outer and 100% polyester lining. Despite being made of wool, it is very thin and can be worn during the warmer seasons. Very chic and modern design. Good quality. Very gently used. Perfect for the office or a fancy event. This dress says Mad Men to me!