This breathable hooded insulated jacket is the ultimate midlayer for mountain warmth, ideal to wear under a shell jacket or by itself when hiking, mountaineering, or skiing in the backcountry. The highly breathable nylon ripstop fabric is both stretchy and durable for maximum freedom of movement and lasting protection. Using PrimaLoft® Gold Active, a premium synthetic insulation, this jacket provides just the right amount of warmth and a super-soft feel for added comfort on chilly outdoor adventures.