A premium warmest weight stretch woven softshell jacket from Arc'teryx made with durable nylon woven on the outside, and with a soft, warm, comfortable polyester micro fleece-like feel on the inside.  Perfect for all of your coldest weather alpine hiking, climbing, mountaineering, and backcountry skiing when a lightweight or midweight softshell jacket just isn't warm enough.  Also great for wearing underneath your ski jacket for colder weather lift skiing or as your outermost layer by itself for spring lift skiing and snowboarding.  This is the warmest softshell jacket available from Arc'teryx, and will also become one of your favorite jackets to wear around town on cooler weather days.