What are breathability and waterproofness</p
Breathability/waterproofness is largely related to the comfort of outdoor leisure activities</p
</p
Breathability</p
不透气或透气性不良的衣服，会在你从事休闲活动时身体产生的蒸气无法快速排出，湿气就会凝结在衣服里，这个时候如果来一阵风，你就有可能着凉。
</p
Breathability standards</p
判断透气性的标准就是，测量24小时内，一平方公尺布料表面积所蒸发出来的水分。在休息的状况下，必须有350公克到600公克的蒸汽量；在中度运动量的状况下，则需有2000公克到3000公克的蒸发量，才能称为具备优良的「透气性」。
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Waterproof</p
Standards for waterproofing: (The reference rule is simply as follows</p
Water pressure resistance (mmH2O): 15000≦water pressure</p
Level</p
Rating: Excellent</p
Water pressure resistance (mmH2O):8000≦water pressure</p
Level</p
Rating: Very Good </p
Water pressure resistance (mmH2O): 4000≦water pressure</p
Level</p
Rating: Good</p
Water pressure resistance (mmH2O):2000≦water pressure</p
Level</p
Rating: Yes</p
Water pressure resistance (mmH2O): 300≦water pressure</p
Level</p
Rating: Fair
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