When the mountains call and temperatures drop, the Arc'teryx Thorium Hoody delivers the premium warmth and technical performance that serious alpine adventurers demand. This women's insulated hoody combines 750 fill European grey goose down with Arc'teryx's innovative Down Composite Mapping™ technology, strategically placing synthetic Coreloft™ insulation in moisture-prone areas to keep you warm even when conditions get damp. The helmet-compatible StormHood™ adjusts with a single pull that won't obstruct your vision during technical climbs or backcountry descents, while the packable design with included stuff sack makes it easy to stash in your pack when you're warming up on the approach. Whether you're mountaineering in the Rockies or tackling ice routes at dawn, this proven hoody delivers reliable cold-weather protection with the mobility and durability that Arc'teryx is renowned for.