Burnoose (raiment), is the loose, billowing outer robes favored by the men of the Tahari in caravan, it is invariably white in color, to reflect the rays of the sun. Its billowing, flowing movement aids in cooling the body, as it circulates over damp skin.
Their garments are loose and voluminous, yet closely woven. The outer garment when in caravan, usually the burnoose, is almost invariably white. This color reflects the rays of the sun.
Book 10, Tribesmen of Gor: Page 73