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Item # OSP1G201M

Osprey Aether 65 Extended Fit Internal Frame Backpack

Purchase Aether 65 Extended Fit

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The Osprey Aether 65 Extended Fit offers the refined design features and optimal extended backpacking performance of the classic Aether in a broader fit range to accommodate even more hikers. Comfortably haul heavy loads with a customized fit!


  • Extended Fit features ensure inclusive sizing without sacrificing performance: The pack's shoulder straps provide greater adjustability than standard harnesses and the hipbelt can expand to fit up to 70-inch hips. Repositioned pockets and a longer sternum strap enhance functionality and in-use comfort.
  • Equipped with a suspension designed for hauling a ton of gear: The pack's AirScape suspension system uses a 3.5mm LightWire peripheral frame, a framesheet, an injection-molded, die-cut foam backpanel, an adjustable shoulder harness, a fully adjustable fit-on-the-fly hipbelt, and multiple points of adjustability to ensure a comfortable fit, load stability, and a carrying capability of up to 60 pounds!
  • Built-in torso adjustability: You can easily adjust the torso length of the pack to enhance fit. The pack also comes in two sizes to accommodate different torsos. The Small/Medium best fits 17"-20.5" torso lengths and the Large/Xlarge best fits from 19.5-23".
  • Sustainable construction that doesn't compromise on functionality or durability: Tested to ensure that they meet Osprey's demanding technical requirements, the fabrics used on the pack are bluesign-approved and the protective durable water-repellent treatment is PFAS-free.

Check out all of these other special features!
  • Included raincover made with PFAS-free DWR and bluesign approved materials
  • Large front panel zip access to main compartment
  • Floating top lid with lash points
  • Fabric reinforced front shove-it pocket
  • Large dual-access stretch mesh side water bottle pockets
  • Dual upper and lower side compression straps
  • Dual front panel compression straps with StraightJacket compression
  • Dual zippered hipbelt pockets
  • Dual ice axe loops with bungee tie-offs
  • Zippered lower sleeping bag compartment with removable divider
  • Removable sleeping pad straps
  • Internal hydration reservoir sleeve (hydration system sold separately)

California residents: view proposition 65  Warning

Technical Specs

Best Use
Backpacking, Hiking
Top Loading w/ Side Access and Sleeping Bag Compartment
Item Dimensions
Small/Medium: 31" x 16" x 11"
Large/Xlarge: 33" x 16" x 11"
Fits Torso
Small/Medium: 17" - 20.5"
Large/Xlarge: 19.5" - 23"
Fits Waist
Small/Medium: 40" - 70"
Large/Xlarge: 40" - 70"
Frame Material
3.5 mm LightWire Alloy
Hydration Compatible
Maximum Weight
60 lbs
Sternum Strap
Yes; Adjustable
Torso Adjustment
Small/Medium: 3967 cu in
Large/Xlarge: 4150 cu in
Limited Lifetime
Internal Frame Backpack
Main: bluesign approved 420HD nylon packcloth, PFAS-free DWR
Accent: bluesign approved 210D Nylon Diamond, PFAS-free DWR
Bottom: bluesign approved 420HD nylon packcloth, PFAS-free DWR
Item Weight
Small/Medium: 4.91 lbs
Large/Xlarge: 4.96 lbs
Raincover included

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