Arcteryx Thorium SV Hoody - Women's Soft, lightweight Arato 40 face fabric withstands abrasion, resists wind and is highly packable Down Composite Mapping strategically places synthetic insulation in areas prone to moisture and down insulation in core areas that need the most warmth 750 fill European grey goose down is baffled using box wall construction and provides an excellent warmth to weight ratio Synthetically insulated, adjustable StormHood retains warmth even when wet Conforms closely to the body trapping heat closer to your core