This is a sleeveless dress from Theory. The fabric is sturdy, and the form is beautiful. I purchased it a few years ago for about 40,000 yen. It's easy to put on and take off with the side opening. There are decorative buttons on the back, which are cute. Color: Gray Design: Sleeveless, knee-length Size: S Please feel free to comment if you have any questions or would like to see additional photos.