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Osprey Packs
Aether 70 Backpack- 4000-4600cu in

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Expandable, compressible, customizable—whatever the task, this pack is able.

Toss out your fleet of backpacks for the Osprey Aether 70 Backpack, because it can do everything your old packs do, and more. Weekend backpack trips, ski tours, and even mountain climbing are all possible with this moderately sized pack. If your weeklong trip to the Andes requires a little more gear, take advantage of the AddOn feature that lets you attach a daypack, crampon pocket, or other pieces (sold separately) to the front of the Aether 70 using built-in cord loops.


Details

  • Ridge foam back panel's tensioned grip mesh rests on your back so you maintain a layer of cool air between your back and the pack
  • Seamless, size-specific IsoForm Harness uses a hook-and-loop strap to allow 4in (10cm) of torso adjustment
  • IsoForm CM hip-belt can be heat-molded to fit your body exactly with CM-specific ovens at an Osprey dealer
  • ErgoPull hip-belt closure tightens the pack to your body, not your body to the pack, so the weight rests on your hips and legs
  • AirScape Suspension includes dual peripheral aluminum rods, a recycled HDPE framesheet, and a LightWire contoured headrail to provide headroom, keep the weight stable, and prevent buckling over rough terrain
  • J-zipper lets you access the main compartment through the front of the pack, so you don’t have to dig from the top
  • Wide-mouth sleeping bag compartment features a divider so you can load and unload your bag without moving your other gear around
  • This 70-liter pack can comfortably carry up to 65lbs of gear, clothing, food, and water throughout the wild
  • Pack lid converts to a lumbar pack with hip-belt for short hikes from base camp
  • Tough nylon fabrics and a little stretch provide durability and utility in the most demanding terrain
  • Hydration sleeve and ports let you pipe your reservoir (sold separately) directly to your mouth while hiking
  • Front stretch, top lid zip, and two side stretch water bottle pockets hold accessories as you trek
  • Stow-on-the-Go trekking pole attachment is a loop on the right side of the pack that lets you holster your poles when you don’t need them
  • Ice-axe loops on the front of the pack secure your tools during the long approach
  • Removable sleeping pad loops on the bottom secures your pad
  • StraightJacket compression on the sides as well as three compression straps on the front and the top lid let you really lock down the pack and even add extra gear
  • Cord loops on the front accommodate AddOns (sold separately) available from Osprey like daypacks or crampon pockets
  • Item #OSP0180
Material
210D nylon, 420D nylon pack cloth, stretch-woven nylon, 500D nylon oxford
Support/Suspension
LightWire alloy frame, recycled HDPE frame sheet
Shoulder Straps
Iso form harness, padded
Waist-Belt
yes, IsoForm CM, heat moldable, ergo pull
Hydration Compatible
yes
Reservoir Included
no
Rain Cover
no
Detachable Daypack
yes
Detachable Lid
yes, built in hipbelt
Access
top, front
Pockets
zippered lid, front mesh, 2 side water bottle
Ice Axe Loops
2
Trekking Pole Loops
yes
Sleeping Bag Compartment
yes
Max Weight Capacity
65 lb
Claimed Weight
[S] 4 lb 11 oz, [M] 4 lb 15 oz, [L] 5 lb 2 oz, [XL] 5 lb 5 oz
Volume
[S] 67 L, [M] 70 L, [L] 73 L, [XL] 76 L
Recommended Use
multi-day backpacking, mountaineering, expeditions
Manufacturer Warranty
lifetime

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