Hardwearing and highly adaptive, the Osprey Aether 55L Rucksack is a truly dependable and spacious rucksack ideal for backpacking adventures. Designed for carrying heavier loads without you knowing it, the Aether offers a plethora of pocket and packing space that configures to your needs.Compatible with Hydraulics ReservoirCompatible with the Daylite SeriesIntegrated & detachable raincoverExternal hydration accessFit-on-the-Fly adjustable hipbeltInternal zipped dividerInternal key attachment clipZip pocket in top lidTwin full length external zip pockets on front panelTwin ice axe loopsTop lid accessStow-on-the-Go trekking pole attachmentSternum strap with emergency whistleSleeping bag base compartment with internal dividerSide compression strapsRemovable sleeping pad strapsReinforced baseReflective graphicsInternal top load compression strapAirScape backpanel with foam ridges for comfort and fitFront shove-it pocketDual access mesh side pocketsWalking Pole AttachmentsGrab handle on topFit-on-the-Fly adjustable harnessFloating lid with dual zippered pocketsInjection moulded Airscape HDPE backpanel with EVA foam paddingInverted U-Zip OpeningRemovable top lid, converts into daypackSilicon print on lumbar for added gripTwin zippered hipbelt pockets Volume: 55 litresWeight: 2.2kgMain fabric: 420D High Tenacity Bluesign NylonDimensions: L78 x W38 x D25cm