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Osprey Xenith 75 Internal Frame Backpack

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Osprey Xenith 75 Internal Frame Backpack

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Enwild Gear Specialist

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Providing customized fit and heavy load-hauling capability, the Osprey Xenith 75 is an ideal companion for multi-day backpacking trips. Convenient access points, innovative features and 4500+ cubic inches of storage capacity result in a pack built for the backcountry.


Providing customized fit and heavy load-hauling capability, the Osprey Xenith 75 is an ideal companion for multi-day backpacking trips. Convenient access points, innovative features and 4500+ cubic inches of storage capacity result in a pack built for the backcountry.

Constantly striving to enhance comfort and performance, Osprey has equipped the pack with a ground-breaking suspension system. A peripheral 3.55mm LightWire aluminum frame works in tandem with a mesh/foam backpanel, and a dual density BioForm CM foam harness to transfer weight to your hips, maximize stability, and reduce heat build-up between your back and the pack itself. Further ensuring a proper fit, the revolutionary BioForm CM hipbelt utilizes an ErgoPull closure that draws tension along the top and the bottom of the belt with split support wings. A sliding sternum strap and load-lifter straps allow you to fine-tune fit with on-the-go adjustments.

Each of three available sizes of the backpack offers torso adjustability. The Medium accommodates torso lengths ranging from 18"-21", the Large accommodates torso lengths ranging from 20"-23", and the Xlarge is designed for 22"-25" torso lengths. The BioForm CM harness and hipbelt maximize performance, fit, and comfort.

The huge main packbag has space to match the pack's suspension and enable you to comfortably carry 40-70 pounds of gear! It has full top access, but can also be reached via zippered vertical side access points. A lower sleeping bag compartment has a wide zippered mouth for easy packing and unpacking. Twin vertical storage pockets on the face of the pack have weather-resistant zippers and aid in the organization of gear. A large front pocket utilizes welded stretch woven fabric to serve as a convenient storage spot for layers of clothing or other gear. Multiple compression straps enable you cinch down your pack to keep contents safely and securely in place. These same straps also serve as lash points for additional gear.

Other features include integrated trekking pole loops, ice tool loops with tie-offs, removable sleeping pad straps, zippered hipbelt pockets and stretch side water bottle pockets. The pack's top lid is removable and can be used as a fully-functional summit pack or daypack. It even has its own integrated shoulder straps, sternum strap, reservoir sleeve, and organizational features. An external sleeve tucked behind the backpanel makes the pack hydration system compatible (system sold separately) without decreasing internal capacity.

The Osprey Xenith 75 internal frame backpack is available in your choice of size and color options.

  • LightWire peripheral frame
  • Mesh-covered ridged foam backpanel allows maximum ventilation and keeps the load close to the body
  • NeoSpacer fabric on the harness provides comfortable fit
  • Bioform4 CM hipbelt balances firmness and cushioning for optimal carry
  • Hipbelt offers custom heat molding for a precise, personalized fit
  • Removable top lid converts to DayLid daypack
  • Dual side compression straps
  • Dual side zips provide easy access to main compartment
  • Stow-on-the-Go trekking pole attachment
  • Dual front zip pockets
  • Front hybrid fabric-stretch mesh pocket
  • Dual ice tool loops with bungee tie-offs
  • Wide mouth access to sleeping bag compartment with removable divider
  • Removable sleeping pad straps
  • External hydration reservoir sleeve
  • Dual access stretch mesh side pockets
  • Zippered hipbelt pockets
  • Integrated FlapJacket cover for lidless use
California residents: view proposition 65  Warning

Technical Specs

Best Use
Backpacking, Mountaineering
Top Loading w/ Side Access and Sleeping Bag Compartment
Detachable Daypack
Item Dimensions
Medium: 34" x 16" x 15"
Large: 36" x 16" x 15"
XLarge: 38" x 16" x 15"
Fits Torso
Medium: 18" - 21"
Large: 20" - 23"
XLarge: 22" - 25"
Frame Material
Hydration Compatible
Maximum Weight
70 lbs
Sternum Strap
Yes; Adjustable
Torso Adjustment
Medium: 4577 cu in
Large: 4821 cu in
XLarge: 5065 cu in
Limited Lifetime
Internal Frame Backpack
Main: 420D High Tenacity Nylon
Accent: 210D High Tenacity Nylon
Bottom: 500D Nylon Packcloth
Item Weight
Medium: 5 lbs 7 oz
Large: 5 lbs 9 oz
XLarge: 5 lbs 11 oz

5 Reviews

5 / 5


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Martin G.


Im really liking this pack. Its well built and comfortable to wear.


Durable Comfortable


Nothing at this point

John K.


Osprey Xenith 75 (2018)


Very comfortable when loaded and weighted down. Large fits very well. I am 5’10”” and 205 lbs. Very well built, tough. Lots of pockets and access zips as listed in the description, if your into that sorta thing.


Heavy as listed, but the nature of the beast with all off the features in the description of product.

Kevin S.


Outstanding pack for multi-day adventures


- Suspension system, access points, durability, convertible brain, capacity, compartments for organization I own this and the Aether AG 70 pack and both are the most comfortable packs you could ask for. However, the Xenith excels beyond the Aether when it comes to rugged, backcountry, multi-day trips. The Xenith's extra durability and capacity is a welcome upgrade to the Aether. It's multiple access options make it easy to access that jacket or headlamp that's slipped down inside your pack and the separate pockets make organizing your gear a breeze. Finally, converting the brain into a day pack is genius and I've used it that way more than once. You can't go wrong with this pack.


Hipbelt is a little on the firm side, but the shape (contoured around hips) and the straps mitigate this issue by spreading the pressure over the entire surface.



This pack is everything I hoped for it came exactly as described. I would definitely recommend this pack to anyone that is in search of a durable pack that has more than enough storage to fit all of your gear.


This pack is very comfortable, great material, and perfect size for my needs.


Nothing yet.

Jason F.


Great pack


This pack is tuff. Built to last and haul lots of gear. Cant go wrong


Would like a rain cover included