The Jack Wolfskin Men's Harbour Bay 3-in-1 Jacket is a classic combination for year-round weather protection on your outdoor trips. The outer jacket is made from extra soft Texapore fabric and is waterproof and windproof. The jacket is also so breathable that you enjoy consistently good wear comfort.The inner jacket is made from warm 200-weight Nanuk fleece. It is very breathable and, as part of a layering system, it supports the performance of the outer jacket. If you want to wear the two jackets separately, simply unzip the System Zip.