Norrona Lyngen Alpha100 Zip Hood jacket is the perfect isolation & mid layer made for ski touring, but is also great for general outdoor wear, especially mid to high-intensity activities due to its excellent breathing and insulation properties. Norrona Lyngen Alpha100 Zip Hood jacket is the perfect isolation & mid layer made for ski touring, but is also great for general outdoor wear, especially mid to high-intensity activities due to its excellent breathing and insulation properties. The face fabric of this insulated jacket is a lightweight double-weave recycled Nylon Aero100 fabric, which provides a perfect combination of low weight, breathability and wind protection. Plus a little bit of stretch for better movement. It's a durable 20D ripstop quality with PFC-free DWR treatment for additional water resistance. The jacket is lined with recycled Polartec Alpha insulation, the world-leading breathable insulation engineered to provide consistent warmth while continuously releasing excess body heat and allowing outstanding breathability during activity. It insulates the user when they are highly active, as well as more sedentary periods. For optimal performance, two Polartec Alpha qualities were used: The body is lined with Pol