| Khattan Ha'clohi, also known as halfcloaks, or whirlcloaks, are specially-made zolken garments from Abu Dhabi, made for travelling places with extremes of temperature, and usually worn in pairs. They are fashioned much like cloaks, but each cover a little more than half the body, worn on one shoulder or hip. They are composed of multiple layers of cloth, tiered and dyed from light to dark colors on one side, and dark to light on the other, such that one side is predominantly light or dark. The top of the ha'clohi has a broad, lightly coloured sash which is wrapped around the neck and head for upper-torso wearing, or around the waist for wearing over the legs. To make them requires a specific weave, and knowledge that only a few zolk tailors possess and jealously guard. Taking apart ha'clohi hasn't revealed the secret as to how they are made, but has shed some light as to how they keep their wearers cool or warm. Part of it lies in the colouration. The sash that goes over the waist or head is lightly coloured, so reflects light. The light side of the garment also reflects light, while the darker side absorbs light to keep the wearer warm when it is desired. The other way the ha'clohi works is by a series of vent-holes near folds on the inside. When the wearer walks, wearing the garment light-side up, air is circulated as the folds are moved. The more the wearer moves, the more pronounced the effect is. When the garment is worn dark-side up, the vents are pressed against fabric, and effectively closed, trapping air in pockets to be warmed. Only zolk seems to work for this process.
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