The Baltoro Guide Jacket from Rab is made from a winter weight Powershield fabric that provides a durable weather resistant & highly breathable soft shell for year round mountain use. The Baltoro Guide provides superior comfort & flexibility to a traditional hard shell during cold weather mountain activities, & excels for mountain walking, winter & ice climbing. Although not fully waterproof the outer face is highly water repellent & highly breathable so that you remain more comfortable through a range of conditions.