EN 342 standard for protective clothing - Ensembles and garments for protection against cold. This is the European standard for protective clothing used in foul weather, wind and cold conditions above -5 °c. There are two performance parameters:

X - 3 levels of waterproofness

Y - 3 levels of breathable properties

A - Thermal insulation, measured value

B - Air permeability class (1 - 3 where is best)

C - Resistance to water penetration class (optional) (1-2 where 2 is best)