The Arc'treyx Men's Thorium Ar Hoodie Jacket Pilot is perfect for the cool weather season. The Thorium features durable face fabrics and 750 fill grey goose down, a warm midlayer or standalone piece for cool, dry conditions. The Thorium's regular fit is streamlined with Lofty 750 fill European grey goose down providing superior warmth. The Arc'treyx Down Composite Mapping technology combines the goose down insulation with panels of Coreloft™ synthetic insulation in the hood, cuffs and under the arms, focusing on areas prone to moisture. Take this lightweight superior jacket out for every cool weather day and epic adventure.