Millet jungfrau trident gtx jacket mens the millet jungfrau trident gtx jacket has been crafted for all year round protection so you can continue your outdoor activities whatever the weather with gore tex technology this number brings protection and comfort even in the most extreme conditions the outer fabric hosts a a durable water repellent treatment as well as windproofing and breathability a waterproof tape also sits to the main seams the alpine fit makes sure of freedom of movement