| 摘要 |
It comprises a front piece of cloth 1 which is preferably fine-meshed, a rear piece of cloth 2 which is preferably wide-meshed and at least one intermediate layer 3 made of tulle or the like, the front 1 and rear 2 pieces being made at least partially using natural fibres or artificial fibres treated to be air permeable so as to aid the heat and humidity regulation of the respired air. <IMAGE>
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