EN 343 is a European Standard that specifies requirements for protective clothing against foul weather. This standard is used to evaluate and classify the performance of clothing in terms of its ability to protect against wet weather conditions, such as rain and snow.
EN 343 outlines two key performance parameters:
- Waterproofness: This parameter is indicated by a two-number classification, such as 3-1 or 4-3, with the first number ranging from 1 to 4, indicating the resistance to water penetration and the second number ranging from 1 to 3, indicating the water vapor resistance. Higher numbers indicate higher levels of protection.
- Breathability: The second number in the classification, ranging from 1 to 3, indicates the breathability of the clothing. Higher numbers suggest better breathability, allowing moisture (e.g., sweat) to evaporate from the inside of the garment.
EN 343-rated clothing is commonly used for workwear, including outdoor work in wet conditions, as well as for outdoor recreational activities where protection against rain and moisture is necessary. The specific requirements and test methods for EN 343-rated clothing are detailed within the standard.
