Sleekly fitted, this long sleeve black turtleneck knit is a mod-chic staple that knows how to move. Very comfortable and stretchy, machine washable. Slim — streamlined to fit close to the body. While size is Medium, I think it’s fits like a slim Small or a little looser Xtra Small. Lightweight, 68% Rayon 32% Polyester Last 2 pictures is a stock photo showing the mock neck style. This is a turtleneck style but fits the same way.