Appalachian, Pacific Crest, Continental Divide, Great Himalayan, Machu Picchu, Camino de Santiago a | you can hike them all. The Baltoro 85 offers massive capacity and the constantly adapting comfort of Response A3 suspension, allowing you to tackle the longest self-supported trips on your list. With enough room for any expedition load plus the kitchen sink, this 85-liter monster is the largest all-season backpack in our line. Gregory Baltoro 85 Pack Features: Vented, formed back panel features LifeSpan foam & silicone lumbar grip zone LumbarTune removable10mm insert offers user-customizable contouring for a precise backpanel fit QuickSwap 3D interchangeable pre-curved LifeSpan EVA foam harness & hipbelt in multiple sizes to precisely fit each body SideKick ultra-light, removable daypack doubles as hanging reservoir sleeve Included removable raincover stowes in its own zippered pocket Top-loading design with front U-zip panel access Double Barrel lid design with dual zippered pockets on top and security pocket underneath SideWinder stowable ergonomic bottle holster WeatherShield PU-coated hipbelt accessory pocket with YKK AquaGuardA(R) zipper Girth-hitched compression MultiStraps on bottom double as hipbelt for SideKick daypack Dual ice axe loops and upper shock locks for ice tool and trekking pole attachment Twin side-mounted zippered gear pockets Stretch mesh water bottle/trail stash pocket External access sleeping bag compartment with removable internal divider