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The mothership of backpacks for extended backcountry adventures.

If you're in the middle of planning an epic backpacking trip along the Appalachian Trail or the Pacific Northwest trail, make getting the Osprey Xenith 105 Backpack part of your to-do list. With enough room to carry seventy pounds of gear, this strong, durable pack consists of a heat-moldable BioForm CM hipbelt for a precise personalized fit and a plethora of features that come in handy when you're logging an average of eighteen miles a day.

  • LightWire peripheral frame effectively transfers load weight to the hip-belt
  • Reversed spacer-mesh back panel offers a smooth, breathable contact surface while a single 6061-T6 center stay maintains back-panel shape
  • BioForm CM hip-belt balances firmness and cushioning for optimal carry while a BioForm harness with NeoSpacer fabric provides a comfortable fit
  • BioForm CM hip-belt is heat-moldable for a precise, personalized fit at any Osprey authorized dealer
  • Xenith 105 comfortably carries a maximum weight of 70 pounds of your gear for a week-long trip in the backcountry or month-long trip backpacking in Australia
  • Top-loading for easy packing while curved side zips on each side of the pack provide wide, easy access to the main compartment
  • Wide-mouth access sleeping bag compartment with divider enables easy-access to your sleeping goods
  • Dual-compartment top pocket converts to a lumbar pack with built-in belt when you want to take short day hikes from camp
  • Strong, durable fabric and construction ensures a pack that lasts for years to come
  • External hydration sleeve in back panel simplifies refilling and protects pack contents from spills (hydration bladder not included)
  • Two roomy front pockets with coated zippers help keep oft-needed items handy, while a stretch-mesh front pocket quickly stashes your extra gear
  • Zippered hip-belt pockets provide secure storage for your camera or phone while dual-access stretch mesh side pockets hold your water bottles
  • Removable sleeping pad straps, dual-side compression straps, two ice axe loops and handle wraps, and Stow-on-the-Go trekking pole attachment for convenience

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Here's what others have to say...


"Best gift ever." -Giftee

  • Familiarity:I gave it as a gift but have feedback to share

"I love the way this pack forms so well to your back. There is a TON of space in this initial trip, I was carrying about 68 pounds and remained comfortable the entire trip. I had read reviews about the buckles on this pack being very far so good, I've done three trips with this pack so far, and the buckles seem to be just fine! If you are an organized person like I am, this is the pack for you; there are a LOT of pockets. My favorite expedition pack so far."

Hey there! Impressive! 68 pounds! excellent. You definitely gave the right pack. There is nothing with a more comfortable hipbelt, harness and backpanel...

Thank you for sharing, Madi B!

Osprey Rep


Brand new at this!

  • Familiarity:I've used it once or twice and have initial impressions

So far, I love it! I keep finding new pockets and am figuring out how to wear it correctly, but my overall first impression is that it is a quality bag that will last me for a while. It will have its first real test in October, I am going on a 4 day trip outside of Moab, I can't wait!


Large and incharge

  • Familiarity:I've put it through the wringer

This pack ins like crazy big. I took in on a mountaineering trip. stuffed to the gills. The total pack weighed about 55 pounds. ounce you got he pack on your back you could feel the weight of the pack in your feet. If you need to pack some bulky items or you just need to be able to take 15 days worth of food wit you this is the pack for you!



  • Familiarity:I've put it through the wringer

I have had this pack for just over a year and it has done magnificently well. I have done over 200km in the field with this baby lugging from a very comfortable 26kg to a miserable 38kg. Under the 38kg load it performed well through three days of solid rain topped off with two days of snow, nothing on this pack failed to work. The external bladder compartment is worth its weight in gold, when you’re buggered and need to refill your water there is nothing worse than having to dig into a back to remove a bladder.

This pack is good for two to three night trips also, a bit much for just an overnighter though and totally excels when it comes to the long hauls through varied weather conditions coz you can pack just about everything in your wardrobe and still have room left over.

Hi. What is the frame height of the Xenith 105 Large please?

Hey Sean,

I measured the frame and the size large for the Osprey Packs Xenith 105 is 28.5 inches from top to bottom. I hope this helps.

Osprey Pack Production

Take a tour of Osprey's design and product development office in Ho Chi Minh City, Vietnam. Opened in 2004 and now employing nearly 30 people, this office allows us to independently design and develop each of our packs. This video provides a glimpse into product conception, prototyping, testing, production, inspection and shipping.

What kind of pack cover have folks found...

What kind of pack cover have folks found to fit this pack?

I would suggest the XL Gregory cover:

If my height is 190 cm / 6'2 what size is...

If my height is 190 cm / 6'2 what size is best to take - L or XL?

Best Answer

Hey Alexey,

Packs are measured by torso length which is from the C7 vertebra (that bump where your shoulders and neck meet) and your hip-shelf (the very top of your hipbone). Torso sizing is as follows: M (18 -21 inches) L (20-23 inches) XL (22-25 inches)


Nice pack

  • Familiarity:I've used it once or twice and have initial impressions

A great pack! Plenty of room for my things including my Ham radio gear and dog stuff.Not sure how well the buckles will hold up and would like longer straps for my pads on the bottom.Make sure you spend extra time fitting the pack and you will be pleased with it.


Initial Impressions

    Great pack for long backpacking journeys, plenty of room to fit my rather bulky sleeping bag, tent, sleeping pad, pillow and other essential items. There is exceptional extra room for food and water after all of the essentials are packed i'm very excited to use this pack. The support it provides to your back is remarkable