Gregory Alpinisto 20 Backpack | Travel Backpack from Gregory | Designed to flex and move with your body, the CloudControl hipbelt provides soft, and stable supportAirCushion backpanel provides breathability for high output activities and has alpine specific surface mesh for abrasion resistanceStreamlined, premium foam harnesses with secure sternum strapModular attachment straps to efficiently attach Crampons, secure equipment and provide a redundant solution should field repairs be requiredInternal hydration sleeve with universal hydration hanger compatible with Gregory's Hydro reservoirs (reservoir not includedAluminum Hardware for cold temperature durability and functionalitySide zippered pocket to efficiently organize and access gearSecure zippered front pocket behind top compression flap for added securityTuck-away top rope strap with Aluminum hook attachmentIce tool and axe attachment with secure bungee attachment and aluminum toggle to fit all styles of axeLined bottom panel for added abrasion resistanceTop Drawcord closure with top weather flap and durable anodized aluminum hook closureIncluded Helmet holder featuring a durable fabric design and elastic cording with four molded hook attachments