FOUL WEATHER PROTECTION
For protection against rain.
There are two categories: X and Y.
X: Resistance to water penetration on a scale of 1-3. 1 being poor resistance and 3 being excellent.
Y: Garment breathability on a scale of 1-3. 1 being poor breathability and 3 being excellent.
For example, an excellent waterproof and breathable garment would be EN 343 3:3.