Arc'teryx Thorium AR Hoodie

For cold, dry days in the mountains, the Arc'teryx Thorium AR Hoodie is a super warm 750 fill goose down and Coreloft™ mid-layer. If you find yourself moving faster than most of your friends in the skin track, throw on this bad boy at the windy summit to stay warm while you wait. We all know the one downfall of down insulation is that it often fails to keep you cozy when wet. Synthetic insulation, however, is much more resilient in moisture. For this reason, Arc'teryx Down Composite Mapping™ Technology puts synthetic Coreloft™ insulation in areas that are prone to getting wet - the hood, shoulders, underarms and wrists.