Understanding EN 343: Protection Against Rain for Industrial Workwear

Harbor365 is a global expert in flame- and arc-resistant protective clothing, offering region-specific solutions tailored for high-risk industries like Oil & Gas, Electric Utilities, and New Energy . Beyond flame and arc resistance, one critical safety standard that ensures comfort and protection in wet working environments is EN 343 . What is EN 343? EN 343 is a European standard that defines the requirements for protective clothing against rain — including precipitation, fog, humidity, and ground moisture . It ensures that garments provide both waterproofing and breathability , keeping workers dry and comfortable even in harsh weather conditions. Key Performance Parameters of EN 343 EN 343 classifies garments using two main performance indicators: Water Penetration Resistance (X) Measures the fabric’s ability to resist water ingress. Class 1: Minimum protection Class 2: Intermediate protection Class 3 or 4: Highest level of waterproof protection Water...