Xhilaration Black Aztec jumpsuit

I just bought this but it's too big on me. It's a large, but might fit an x-large. I would say it's about a size 10. It's very soft and the waist is stretchy. Spaghetti straps and a horizontal strap that goes across the back of the neck and snaps shut. The snap is a tiny bit loose but could be tightened with a little thread. It's been fine for me the few times I wore it though.