Streamlined, lightweight down hoody filled with 850 white goose down. This backcountry specialist hoody is intended primarily as a mid layer in cool, dry conditions. Down Series: Down insulated garments. Down Composite Mapping™ places Coreloft™ synthetic insulation, that retains warmth when wet, along the shoulders, cuffs, underarms and front of mouth— areas prone to contact with moisture. 850 fill European white goose down lines the core and sleeves where warmth is most needed.