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Item # OSP1E201M

Osprey Aether Plus 100 Internal Frame Backpack

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$489.95

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Osprey Aether Plus Backpacking Pack Series

By Troy

Enwild Gear Specialist

The Enwild Difference

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The massive (5900+ cubic inch capacity) and fully-featured Osprey Aether Plus 100 offers a dynamic and adjustable fit, a weight-carrying capacity of up to 70 pounds, and rugged durability for expeditions and gear-intensive, extended backpacking trips.

Description

The massive (5900+ cubic inch capacity) and fully-featured Osprey Aether Plus 100 offers a dynamic and adjustable fit, a weight-carrying capacity of up to 70 pounds, and rugged durability for expeditions and gear-intensive, extended backpacking trips.

Constantly striving to enhance comfort and performance, Osprey has equipped the pack with a 4mm LightWire aluminum alloy peripheral frame and an Airscape injection-molded and die-cut framesheet. This design ensures optimal balance and weight distribution. The textured backpanel and foam harness maximize comfort and help reduce heat build-up between your back and the pack. Further enhancements to the fit are the Fit-on-the-Fly hipbelt and harness. The hipbelt has an adjustable extension and the ability to individually angle reinforced wings to fine tune the fit for any body shape. The shoulder straps have built-in adjustments that can be used to lengthen the shoulder wrap padding for an even more dialed in fit. A sliding sternum strap and adjustable load-lifter straps further enhance fit.

Accommodating backpackers of different heights and torso lengths, the pack is available in your choice of sizes. The Small/Medium size best fits torsos ranging from 17"-20.5" and the Large/Xlarge fits from 19.5"-23".

The pack's large main compartment is reached through a traditional top-loading access point but a zipper on the side of the pack also allows quick panel access to the interior. Additionally, a lower compartment serves as a dedicated spot for stowing your sleeping bag or other clothes and gear. A removable divider enables you to open up the interior to create a single spacious compartment. A large front shove-it pocket utilizes welded stretch woven fabric to serve as a convenient storage spot for discarded layers or other gear. Dual front panel zippered pockets offer even more storage and organizational options. Elastic side pockets are ideal for stashing water bottles or other smaller items. Integrated zippered hipbelt pockets provide a spot to keep essentials close at hand. Side and front panel compression straps enable you to cinch down your pack to keep contents safely and securely in place and also double as lash points for additional gear. A removable top lid with zippered pockets protects the contents of the pack and can be removed entirely to save weight. When the lid is not in use, a streamlined FlapJacket cover still protects the top entry so contents stay secure. The top lid also converts to a DayLid daypack, giving you a smaller pack for side excursions and summit attempts.

Other features include Stow-on-the-Go trekking pole attachments, a protective rain cover, dual ice axe loops with bungee tie-offs, and removable sleeping pad straps. An internal sleeve makes the pack hydration compatible (hydration system sold separately).

The Osprey Aether Plus 100 internal frame backpack is available in your choice of size and color options.

  • Custom Fit-on-the-Fly hipelt
  • Custom Fit-on-the-Fly shoulder straps
  • Injection-molded, die-cut foam Airscape framesheet
  • Removable top lid converts to DayLid daypack
  • Included raincover made with PFC-free DWR and bluesign-approved materials
  • Stow-on-the-Go trekking pole attachment
  • Floating top lid with lash points
  • Integrated FlapJacket cover for lidless use
  • Dual front panel zippered pockets for easy-access storage
  • Large front panel zip access to main compartment
  • Fabric reinforced front shove-it pocket
  • Large dual-access stretch mesh side water bottle pockets
  • Dual upper/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 sleeping bag compartment with removable divider
  • Removable sleeping pad straps
  • Internal hydration reservoir sleeve
California residents: view proposition 65  Warning

Technical Specs

Best Use
Backpacking
Access
Top Loading w/ Front Access and Lower Sleeping Bag Compartment
Detachable Daypack
Yes
Item Dimensions
Small/Medium: 32" x 17" x 16"
Large/Xlarge: 34" x 17" x 16"
Fits Torso
Small/Medium: 17"-20.5"
Large/Xlarge: 19.5"-23"
Fits Waist
One Size
Frame Material
4.0mm LightWire aluminum peripheral frame and Airscape foam framesheet
Hydration Compatible
Yes
Maximum Weight
70 lb
Sternum Strap
Yes; Adjustable
Torso Adjustment
Yes
Volume
Small/Medium: 5980 cu in
Large/Xlarge: 6102 cu in
Warranty
Limited Lifetime
Type
Internal Frame Backpack
Material
bluesign-approved 210D high-tenacity nylon w/ PFC-free DWR
Item Weight
Small/Medium: 6.18 lb
Large/Xlarge: 6.44 lb
Other
Removable lid converts to DayLid daypack
Raincover included
Sternum strap safety whistle

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1 Reviews

4 / 5

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Steven

03/05/25

I Mostly Like It

Likes

Has good fit (The Baltoro 100 didn't fit me at all) and a lot of features, many of which I could do without, but it's nice to have them, I guess, and it distributes heavy loads very well. The front pockets are larger than the same pockets on the Baltoro, the harness design is much better, and it still comes with a daypack and raincover that Gregory has removed from the Baltoro. The daypack is very nice, but I doubt I'll use it. Excellent build quality and mostly thoughtful design throughout. The most standout feature in my opinion, and the most substantive difference between the Aether and the Baltoro is the frame. The Aether frame is aluminum (light and doesn't rust) and has little "wings" that extend a little bit into the help belt to cradle your lower back, whereas the Baltoro frame is steel (heavy and rusts) and just wraps around the pack itself.

Dislikes

The hip belt pockets are all the way to the back of the belt. Unless your upper body is like 6" thick or you have double jointed elbows, good luck accessing them. I can barely even see them! The straps across the front seem unnecessary to me and just make getting into the pockets fiddly. Not crazy about the main compartment divider that can't be completely removed and the buckles on the back of the lid are backwards and have to be unclipped before they can be adjusted. The fit on the fly stuff.... That's just a way to lower production costs by broadening the fit range and decreasing size options. It all works okay and it's neat, but I'd really rather have a medium specific size that doesn't have the hip belt pockets jammed all the way to the back. Other than those pockets, which is just straight up poorly designed, all these dislikes are trivial and perhaps purely subjective. At the end of the day, it's an excellent backpack, more feature rich and better designed than it's closest competitor - the Baltoro, and worth the extra cost.