Green Button - a national certification awarded to companies that excel in sustainable textile production. In order to receive the distinction, a company must meet 46 stringent requirements in terms of respecting human rights and operating in line with environmental concerns.

Jack Wolfskin brand material 100% windproof. It features a three-layer construction with an additional inner layer to ensure thermal comfort. The material protects against wind and cold and does not soak up water. It is also flexible and comfortable.