The Boundary Line Insulated Pant by BLACK DIAMOND is built for frigid lift laps and sidecountry protection.

Warm, waterproof and fully dialed for everyday resort performance in cold conditions, the high performance Thermolite® insulated snow pant keeps you on the hill when the temperature plummets.

The Boundary Line Insulated Pant by BLACK DIAMOND is built with the fully waterproof and breathable stretch 20k/20k laminated waterproof/breathable BD.dry™ fabric with Green Theme Technology’s revolutionary Breathable Water Protection DWR - an environmentally friendly, PFC-free DWR that’s superior in performance and substantially more durable than other DWR solutions.

High Performance Thermolite synthetic insulation of the Boundary Line Insulated Pant by BLACK DIAMOND fends off frigid temps and remains warm even when wet. Zippered hand, back and thigh pockets stash your daily essentials and sideseam zip vents quickly ditch excess heat on warm spring days or sidecountry bootpacks.