Jack Wolfskin Womens Cloud Stream Jacket Online Sale Waterproof and windproof, Texapore Air O2+ Fabric Ultra Light Hood Hood offers maximum weather protection Storm peak 2 side pockets Inner pocket BLACK FRIDAY OFFERS END MONDAY 28th NOV 11:59PM Available online only. Selected lines only. Terms and Conditions apply The new Cloud Stream is a waterproof hiking jacket that delivers remarkable breathability and freedom of movement, making it well suited to fast & light hiking with a small pack.The jacket incorporates stretch inserts on the back and consists predominantly of waterproof, windproof and air permeable weather protection fabric, Texapore Air O2+ Fabric, which is particularly suitable for summer apparel. The big advantage is the constant air exchange through the fabric, a process that is accelerated by movement. This means that the more active you are the more effective the transmission of moisture vapour (sweat) through the fabric.