Madewell Windowpane Turtleneck Sweater size XXS can easily fit up to a S depending how you like fit. Measurements in photos super soft and comfy. Supersoft and slouchy, this cozy turtleneck sweater has high slits at the sides to show off your shirttails. And that windowpane pattern? Yeah, it kind of goes with everything. Acrylic/wool/nylon/spandex.