White is never passive. It shows everything including the cut, the fabric, and the way it falls on the body. There is no room to hide behind colour, so the material has to carry the full weight of the garment.
China Wool Gabardine handles that responsibility. The worsted twill gives the thobe real structure. The surface stays smooth. The shape holds from morning through evening without collapsing or creasing under pressure. This is the kind of white that works in colder weather.
Care: Cold machine wash separately. Keep white wool on its own cycle. Dry in open shade to maintain brightness and avoid yellowing.