Here's what other sites are saying:
Be the leader, or just the most organized member of your climbing group next time out with the Arc'teryx Alpha AR 20L Backpack. This climbing specific pack can handle everything from multi pitch rock climbing, to alpine mountaineering, and even ice climbing. The top loading style with white interior fabric makes grabbing items from your pack a breeze, while a plethora of gear and ice axe loops make sure your trusty tools are nearby. Additionally a zippered front pocket keeps your extra layers and maps out of the way of your more important gear to keep you organized. Finally a blatter ready design ensures that you can stay hydrated while the hot summer sun beams down on you.
The ARCTERYX Alpha AR 20 pack suits those in pursuit of an elegant "light and fast" solution to day climbs, doing away with extraneous pockets and features. It has been stripped down to only what is "essential" in the classic ARCTERYX style. They have given you a blank canvas with which to integrate into climbing setups. The climbers they designed this pack for are accustomed to the simplicity of summit packs. It feels surprisingly robust for its weight, especially when packed to a climb-ready state.
- Mountain Gear
Arc'teryx Backpacking Packs Alpha All Round 20 Backpack Robotica Regular 369837. Prioritizing abrasion and tear resistance a liquid crystal polymer ripstop grid is incorporated in a high tenacity nylon fabric. Versatile features suits the needs of varied alpine adventures. Ladder lock hook strap can be configured to securely hold ropes. A large vertical external front pocket eases access to jackets guidebooks etc.
Features of the Arcteryx Alpha AR 20 Backpack N315r-LCP fabric is a High tenacity nylon with a liquid crystal polymer ripstop grid Pull-to-open / pull-to-close drawcord main compartment with a weather protective top flap Ladder lock hook top strap can be configured to hold ropes securely Large vertical zippered external front pocket holds guidebooks, jackets and headlamps Internal secuirty pocket stores keys, phone, wallet, etc