Carry basecamp worthy loads with skis to boot, or journey beyond the reach of resupplies. For backpacking, thru-hikes and alpine expeditions, the Ariel AG Series has a pedigree like no other pack. We set the bar for technical backpacking packs by combining Anti-Gravity technology with customizable fit and innovative features like our new convertible top lid to create a more capable and comfortable pack for long-haul load carryingon any multi-day excursion. Carry basecamp worthy loads with skis to boot, or backpackbeyond the reach of resupplies. When you need a pack that can carry heavy loads for up to a week or for months, there is no better option than the Ariel AG 75 pack.SpecsLoad Range: 35 - 60 lbs. VolumeDimensionsWeightWXS4211 in3 / 69 l30.31h x 16.14w x 13.39d in.4.987 lbs.WS4394 in3 / 72 l32.28h x 16.14w x 13.39d in.5.038 lbs.WM4577 in3 / 75 l34.25h x 16.14w x 13.39d in.5.088 lbs.Fabric:Main210D Nylon DobbyAccent210D High Tenacity Nylon Shadow BoxBottom500D Nylon PackclothKey AttributesCUSTOM FITThe IsoForm5 harness and CM hipbelt provide outstanding fit and comfort for especially heavy loads and long miles. Both components are interchangeable to provide a truly custom fit.ANTI-GRAVITY TECHNOLOGYThe Aether/Ariel AG features a continuous, suspended panel of lightweight mesh extending from the upper torso through the lumbar area of the pack and wraps the user in supreme comfort.CONVERTIBLE TOP-LID DAYPACKHaul your gear to basecamp, remove the top-lid and deploy the impressively functional DayLid to summit a nearby peak or backcountry picnic. NOTE: NOT AVAILABLE OUTSIDE OF US AND CANADA.FeaturesRemovable top-lid converts to DayLid daypack.Not available outside the US and Canada.Lower Inside-Out compression strapsAdditional main compartment accessIntegrated FlapJacket cover for lidless useInternal hydration reservoir sleeveLarge front J-zip access to main compartmentCarry InformationANTI-GRAVITY SUSPENSIONLightWire tensioned, full peripheral frame comfortably transfers pack loadANTI-GRAVITY BACKPANELTop to bottom suspended mesh wraps shoulders, back and hips for a fully integrated backpanel fitISOFORM5 ANTI-GRAVITY MESH HARNESSInterchangeable sizes for a precise, personalized fitAdjustable suspended harness with structural load lifter bar for load transfer and comfortDie-cut foam lower and mesh ExoForm wrap upperAdjustable sternum strap with safety whistleISOFORM5 CM HIPBELT