Jack Wolfskin Park Avenue a waterproof, windproof, breathable and warm. The weatherproof spec is delivered by the TEXAPORE outer fabric. This version of the fabric has a soft, marled-look exterior. Under the shell fabric, the jacket has a recycled MICROGUARD ECOSPHERE fill to keep you warm. And for added comfort, the PARK AVENUE has a super soft fleece lining in the shoulders and collar. So you can enjoy that winter trip to the full, whatever the weather.