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.

100% Polyester Stretch Twill

BD.dry™ 2L | 20k Waterproofing / 20k Breathability – Built for climbers and backcountry adventurers, BD.dry™ is Black Diamond's innovative waterproof/breathable/windproof technology designed to shield you from whatever the weather holds.

Thermolite TL Eco-Made Insulation

20D Nylon Plain Weave

Regular Fit

YKK Aquaguard Zippered Center Front, Hand, and Chest Pockets

Left Side Internal Mesh Drop Pocket

Zippered Sleeve Pass Pocket

Underarm Zippered Vents

Helmet-Compatible Hood

Internal Stretch Powder Skirt

Dual Drawcord Hem