Arc'teryx is continually innovating to provide quality products to simplify active lives. The Norvan SL Insulated Hooded Jacket is the first insulated waterproof jacket constructed with Gore-Tex ShakeDry Product Technology. ShakeDry eliminates the need for a face fabric and a DWR treatment making the jacket incredibly lightweight and packable. This ShakeDry technology beads water that then rolls off to keep you dry when you're trail running in wet conditions. To keep you running more comfortably in cold conditions, Arc'teryx outfitted this latest model of the Norvan SL with a flexible and highly breathable Coreloft Compact insulation. It is body mapped with no insulation at the inside elbow, armpit, and lower back for an optimal packing and warmth to weight ratio. With this insulation and the ShakeDry product technology, you can run strenuous trails without having to get wet or dry. For additional convenience and comfort, the Norvan has an adjustable hem and hood that seal in your heat. This hood can be rolled away and secured with a snap to keep it out of your way when you're not running in a downpour.