A specialised impregnation method that does not contain harmful polyfluorocarbon substances. Gives garments water-repellent properties and effectively optimises the level of breathability of the material.

Jack Wolfskin's Bluesign® technology means that the product has been manufactured to the highest standards in terms of resource efficiency, consumer protection, water and air emissions and occupational safety.

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.