Portwest Sealtex Range
The Portwest Sealtex S351 is a garment of exceptional quality, the Sealtex AIR trouser is made from a unique lightweight material which offers an unrivalled mixture of breathability, waterproof and windproof protection.
Product Technical Information
EN 343 – Protective Clothing, Protection Against Rain
EN 343 is the harmonised European standard that applies to garments worn in adverse weather conditions. It specifies the characteristics of protective clothing against the influence of foul weather, wind and coll above –5 Degrees. The standard provides for two parameters: (Example - Class 3:1)
X (3) = Waterproofness (3 Levels) 3 is the highest
Y = (1) Breathable Properties (3 Levels) 3 is the highest
