The surface layer is arranged on the upper surface of the sweat guide layer and is made from polypropylene.

导汗层的上表面设有面层，面层的材料为丙纶。

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The surface layer is arranged on the upper surface of the sweat guide layer and is made from polypropylene.

导汗层的上表面设有面层，面层的材料为丙纶。

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