HIGHTECH TO THE LAST DETAIL. The idea for CUUN came from the natural world. Inspired by the butterfly's cocoon, CUUN products should provide a protective shell, in all weathers and at any temperature, but without restricting movement. The top quality materials used are extremely light and stretch in all directions. A special external layer and fully sealed seams ensure that your item is both waterproof (20,000 mm) and windproof. The internal stretch membrane guarantees an especially high level of breathability (up to 25,000 g) and the highest comfort levels for the wearer. The latest tailoring techniques ensure the best possible ergonomic fit.