Constructed with the best insulation filling to offer unbeatable warmth the mens jack wolfskin zenon altis jacket will block out the wind and offer a water and abrasion resistance for extra protection and a long lasting performance features insulated 9010 duck down filling 700 fill power offers superb warmth windproof for extra protection from the cold lightweight and durable fabric airgrid 20d exterior offes an ultra light abrasion and water resistant fabric quick drying fabric f