J.Lindeberg Shannon Down Ski Jacket is equipped with a water repellent, windproof and breathable 2-layer material that protects you from the elements. It has a water repellent stretch surface for maximum comfort and freedom of movement. The moisture repellent ability, MVTR, is 20,000 gr/m 2/24h and the water repellent ability is 20,000 mm. PrimaLoft® is a premium insulating material for colder weather. The material is both lightweight and soft and will keep you warm and dry even in extreme weather conditions.