All raincoats from ILSE JACOBSEN HORNBÆK have a rating describing their resistance against water - this rating is referred to as "water column pressure" often referred to in a shortened version: W/P.
Water column pressure rating | Suitable use |
3.000 mm. | Withstands light rain for several hours. Suitable for light use, walking and as a spring and summer protection against rain, as these coats typically are thin and light. |
5.000 mm. | Withstands light and moderate rain for several hours. Withstands heavy rain for short periods. Suitable for cycling to and from work, nature walkings and city usage. |
10.000 mm. | Withstands heavy rain for several hours. Suitable for use in nature, long walks in nature, cycling for longer periods in rough rain conditions. |
20.000 mm. | Withstands heavy, intense rain over a prolonged period. Suitable for hiking and environments where superior protection against wet conditions is required. |
Water column pressure in detail: The water column pressure is the amount of water measured in millimetres, which 1 square centimeter of the jacket can withstand before it is breached by the water. The higher the water column pressure, the more water the jacket can withstand.