Montane Alpine 850 Hooded Down Jacket The Montane Alpine 850 Hooded Down Jacket provides essential alpine or high-altitude basecamp insulation. Made with ultra-lightweight 10D Pertex Quantum, this down jacket has exceptional windproof protection. Excellent warmth to weight is achieved thanks to 850 Fill Power RDS-approved Hyperdry Goose Down, providing you with Montane pinnacle in down performance. Engineered with exposed mountain environments in mind, this down jacket uses box wall construction to ensure maximum loft and thermal performance. The fabric choice of this lightweight down jacket has been carefully considered - made with both recycled outer and lining fabrics. An excellent jacket for serious mountaineers taking on the world's biggest mountain peaks. Built for bold adventures in cold environments, this minimalist insulated down hoodie utilises a combination of HyperDRY Water Resistant Down and 850+ fill power. ALLIED's HyperDry Water Resistant Down allows the