This is a Gymflex boa jacket. Size 12 (equivalent to S-M size) The fit may vary depending on the individual, so please check the size chart and website for details. I purchased it about two years ago, but I'm selling it because my body shape has changed due to childbirth. I've only worn it a few times, and it's in very clean condition. Please check the condition in the images before purchasing. *Please note that it may be compressed for packaging purposes. Thank you. Color: Gray