The most voluminous pack in our backpacking line, the Osprey Xenith 105 carries as much gear as you can throw at it for trips of any duration. Our most generously padded pack will keep you comfortable throughout the journey, and Interchangeable hipbelt and harness sizes plus custom molding allow anyone to dial in the perfect fit for them. Trail-focused features like hydration compatibility and Stow-on-the-Go trekking pole attachment ease your journey, every step of the way. Backed by our All MIghty Guarantee, forever.
It’s simple, lengthy expeditions and trips require impressive amounts of gear, but what’s more impressive is how comfortably these purpose-built packs actually carry on the trail.
Need a small hipbelt and XL harness? With interchangeable sizes, that’s easy. Even better, once the right hipbelt is chosen, our custom molding option provides the ultimate personalized fit
Prioritizing access and organization makes larger loads easy to manage. Side pockets and multiple access points provide added convenience, even in the backcountry.
- Floating, removable top lid with top-and under-lid zippered pockets converts to a DayLid daypack for side trips from camp or bagging peaks. Not available outside the US and Canada.
- Integrated FlapJacket protects gear when top lid is removed
- Stow-on-the-Go trekking pole attachment allows you to stow your poles in steep terrain or whenever you need your hands free
- External hydration reservoir sleeve is easy to access when the pack is fully loaded and accommodates up to a 3L reservoir
- Dual side zips provide easy access to gear stored in the main compartment without removing the top lid
- Two zippered front pockets provide additional storage and organization options
- Zippered hipbelt pockets keep snacks and smaller items close at hand
- Front hybrid nylon/stretch mesh pocket stores rain gear for easy access when skies darken, or wet gear after the downpour stops
- Dual access stretch mesh side pockets store water bottles and more
- Dual side compression straps stabilize loads and maintain a slim pack profile when not fully packed
- Dual ice tool attachment points
- Zippered, wide-mouth sleeping bag compartment with removable divider
- Removable sleeping pad straps
- Sternum strap with integrated safety whistle
- LOAD RANGE 50 – 80 lbs.
| Â | VOLUME | DIMENSIONS | WEIGHT |
| MD | 6407 IN3Â / 105 L | 34.65H X 16.14W X 18.11D IN. | 5.67 LBS. |
| LG | 6652 IN3Â / 109 L | 36.61H X 16.14W X 18.11D IN. | 5.78 LBS. |
| XL | 6896 IN3Â / 113 L | 38.58H X 16.14W X 18.11D IN. | 5.89 LBS. |
FABRIC
- MAIN
- 420D High Tenacity Nylon
- ACCENT
- 210D High Tenacity Nylon
- BOTTOM
- 500D Nylon Packcloth
SUSPENSION
- 4mm LightWire peripheral frame (105)
- 3.5mm LightWire peripheral frame (88, 75, 85, 70)
BACKPANEL
- Airscape Backpanel
- Mesh-covered ridged foam allows maximum ventilation and keeps the load close to the body
BIOFORM4 HARNESS
- NeoSpacer fabric provides comfortable fit













Emily Carter –
The Osprey Xenith 105 is a game-changer for extended trips. Its ergonomic design and ample storage space make it perfect for long hikes. The adjustable suspension system ensures a comfortable fit, even with heavy loads.
Jacob Turner –
This backpack has exceeded my expectations. The durability is top-notch, and the multiple compartments help keep everything organized. The hip belt padding is incredibly comfortable, even on long treks.
Sophia Martinez –
While the Xenith 105 is spacious and well-built, I found it a bit heavy when fully loaded. It’s great for extended trips but might be overkill for shorter hikes. Overall, a solid product.
Michael Brown –
I’ve used many backpacks over the years, and the Xenith 105 stands out for its comfort and functionality. The ventilation on the back panel is excellent, and the build quality is unmatched.
Olivia Davis –
The Xenith 105 is perfect for extended backpacking trips. The numerous pockets and attachment points make it easy to carry everything I need. The only downside is the price, but it’s worth the investment.
Daniel Wilson –
This backpack is well-designed for serious hikers. The load transfer system works great, and the materials are high-quality. However, it took some time to adjust all the straps for a perfect fit.
Ava Taylor –
The Osprey Xenith 105 is a beast of a backpack. It’s incredibly durable and has enough space for all my gear. The only issue is that it can feel bulky, but that’s expected with this size.
William Clark –
I love the versatility of this backpack. Whether I’m on a multi-day hike or a shorter trip, it performs exceptionally well. The hydration reservoir compatibility is a great feature.
Mia Rodriguez –
The Xenith 105 is a reliable companion for extended adventures. The suspension system distributes weight evenly, and the build quality is excellent. The only downside is the weight of the pack itself.
James Lewis –
This backpack is built to last. The materials and craftsmanship are top-tier, and it’s incredibly comfortable even under heavy loads. The adjustable torso length is a standout feature.
Charlotte White –
The Osprey Xenith 105 is perfect for long-distance hikers. The storage capacity is impressive, and the design is thoughtful. However, it might be too large for casual hikers or those with lighter loads.
Benjamin Hall –
I’ve had the Xenith 105 for several months now, and it’s been a reliable companion on every trip. The attention to detail in the design is impressive, and it’s clear that Osprey prioritizes comfort and functionality.
Sarah Thompson –
The Osprey Xenith 105 Backpack is an absolute game-changer for extended backpacking trips. The adjustable torso length and hip belt make it incredibly comfortable, even with heavy loads. The multiple access points and organizational pockets are a lifesaver for keeping gear sorted. Highly recommend for serious adventurers!
Michael Carter –
I’ve used the Osprey Xenith 105 on several multi-day hikes, and it’s been a reliable companion. The suspension system is top-notch, and the durability is impressive. My only gripe is that it’s a bit bulky for shorter trips, but for extended treks, it’s perfect.
Emily Rodriguez –
This backpack is a beast in the best way possible. The capacity is ideal for long expeditions, and the build quality is unmatched. The only downside is the weight of the pack itself, but the comfort and functionality more than make up for it.
James Wilson –
The Osprey Xenith 105 is a solid choice for extended trips, but it’s not without flaws. While the comfort and storage are excellent, the price point is quite high. If you’re a frequent backpacker, it’s worth the investment, but casual hikers might find it overkill.
Laura Bennett –
I’m thoroughly impressed with the Osprey Xenith 105. The attention to detail in the design, from the hydration compatibility to the reinforced bottom, is outstanding. It’s a bit heavy, but the comfort and functionality make it a must-have for serious backpackers.