The Electron Pro Hoody is a good choice for general wear on a cold day, as well as a warm camp and break jacket for winter endeavors. Its features and materials are right at home in very demanding Alpine use, but it also works for more laid-back situations. Thanks to the top notch fill down, the jacket is light and packable compared to its warmth. This jacket is much warmer than the lightest jackets out there, but still boasts excellent packability. The surface fabric is Pertex Quantum Pro, offering protection from the wind, and durability in situations where you accidentally scuff against a rock surface. It also offers protection from light rain. - The top notch down fill has a moisture repelling treatment and RDS certification - Windproof, high quality surface fabric - Superb patterns and baffle structure offer a great fit - Amount of down in a size Medium: 179 grams - Thanks to a polyurethane coating inside of the main fabric, it repels water to some degree - Helmet compatible ho