An oversized roll neck dress is essentially wearing a sweater as a dress which is exactly the point. These are generous in the body and long enough to actually function as a real dress. The fit means you can layer underneath without bulk building up. The silhouette reads as intentional rather than just too big. Most of these are in medium to heavy weight knits that justify the volume. You can wear these with tights or over fitted base layers depending on the weather. The length varies but these tend toward midi to maxi which means they read as deliberate. These are the oversized roll neck dresses that make winter feel comfortable rather than restrictive.