Warm, waterproof and fully dialed for everyday resort performance in cold conditions, the men's BOUNDARY LINE Insulated Pant by Black Diamond keeps you on the hill when the temperature plummets. These pants are built with the fully waterproof and breathable stretch 20k/20k laminated waterproof/breathable BD.dry fabric. They're reinforced 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 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.