Don't let the elements deter you from hitting the best lines on the mountain this season, get the Black Diamond Boundary Line Insulated Jacket and head for those lines in the nastiest of weather. This coat starts with BD's own BD.dry™ waterproof/breathable shell fabric and adds 60 grams of Thermolite® synthetic insulation for a cold-defying barrier, even in wet conditons. With a full array of YKK Aquaguard™ waterproof zippers, a stretch powder skirt, and bomber helmet-compatible hood, the Boundary Line is a fortress away from home that'll prove it's weight in gold.