Built tough for multi-pitch rock, alpine and ice climbing, the Arc'teryx Alpha AR 20 pack features high-tenacity nylon fabric with a liquid crystal polymer ripstop grid that stands up to abuse

• Main compartment has a weather-protective top flap and pull-to-open/pull-to-close drawcord
• Large, zippered vertical external front pocket is ideal for holding a guidebook, jacket and headlamp
• Internal security pocket hides keys, phone, wallet or other small valuables
• Ladder-lock, hook-top strap can be configured to hold ropes securely
• Hydration port at center back (reservoir not included)