During any spring or fall mission, the Black Diamond Alpine Pant blends extreme durability with a highly breathable construction. Designed with a four-way stretch fabric, they can handle any on-route move, and their lightweight construction keeps sweaty high-output missions from getting out of hand. A DWR finish adds peace of mind during questionable weather windows. Finetune the fit with cordlock adjustable hems and an easy-to-adjust integrated webbing belt.