Spyder's Siren Long Jacket is perfect for your coldest winter days-with ThermaWEB synthetic insulation. Beautiful design lines shape this long coat into a feminine silhouette. Spyder is one of the largest winter sports brands in the world, as well as an Official Supplier to the U.S. Ski and Canadian Alpine Teams. Spyder apparel integrates high-technology fabrication, sport-specific function, and fashion conscious designs. Based in Boulder, CO, the company sells high performance sportswear in the United States, Canada, and more than 50 countries worldwide.