This is a Maxi Dress Open back with elastic at its back. It has a zipper in the back at its waist. Also, pockets on each side. The Fabric has a nice weights to it. Unlined. The fabric doesn’t have any stretch, only at the top part in the back where your bra band hits. Adjustable straps at the shoulders. Perfect for Summer. I am 5’7”, 34DD or 36D, 31” waist.