Whether used as a mid or outer layer, the Cirrus Flex 2.0 provides warmth, lightweight packability and resilience in changeable mountain weather. Filled with PrimaLoft® Silver Insulation Luxe™, a 100% recycled synthetic insulation, it's fast-drying and clump-free. Built with micro-baffles it has an athletic, slim fit, ideal for layering or for boosting warmth on an athletic ascent.