Details: Shaped seams and for unsurpassed fit and mobility. The Siren Jacket incorporates our exclusive HydroBlock Sport 10,000mm waterproof/breathable technology. Premium Primaloft Silver 100 gram insulation. Removable hood. Available in special sizing. Skier Critical seam sealed with Ski Contour articulation. Diamond quilt side panels. Control Zone Ventilation for thermal regulation. Integrated powder skirt with stretch panel and Snap-Away feature.