Size M. It runs small, so measurements are provided in the photos. Please check them. It's a purple Nike tank top with a cross-back design. It has a non-padded sports bra attached, and they are sewn together, so they cannot be separated. The outer fabric of the bra feels like it contains some cotton. It has never been used and has been stored at home. Please understand that this is a used item before purchasing. It will be shipped via Nekopos. Thank you for looking.