It's commonly found in arid regions to provide protection from direct exposure to the sun, as well to protect the mouth and eyes from blowing dust and sand.

这种头巾在干旱地区很常见，他可以提供保护，免受太阳直接暴晒护，同时也可以保护嘴巴和眼睛免受飞尘和飞沙的伤害。