Gymnastics pants. I bought these as spares and kept them, but they never got used and my child outgrew them. They've only been washed once. There's a tag on the inside of the back pocket. It has a name written on it, which has been blacked out. - Size: 130 - Material: 95% polyester *Please note that this is just my personal assessment, so please refrain from purchasing if you are looking for perfection or are overly concerned about details.