The Jack Wolfskin Helium High is a technical jacket with PFC-free impregnation. The PFC-free impregnation of the Helium High means that the jacket has been treated with a fluorocarbon-free impregnation with an active substance based on polyurethane. This product of the Helium High is biodegradable and not harmful to nature.
The Jack Wolfskin Helium High has a very water-repellent surface and optimizes breathability.