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Osprey Stratos 44 Men's Backpacking Backpack - Prior Season

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Purchase options and add-ons

  • Light and ventilated suspension system with 3D-tensioned mesh provides breathable support and 4" of torso adjustability
  • Included raincover made with PFC/PFAS-free DWR keeps your gear dry and protected
  • Fixed top lid with large main compartment and underlid zippered mesh pocket helps make packing a breeze
  • Internal hydration reservoir sleeve with hose port in backpanel accommodates up to a 3L reservoir (sold separately)
  • Dual zippered hipbelt pockets, side stretch mesh bottle pockets, and a hidden vertical side zip access to the main compartment provide quick access to trail essentials
  • Stow-on-the-Go trekking pole attachment allows you to stow and deploy poles in seconds
  • Recommended load range: 15-30 lbs | Pack weight: 3.638 lbs | Dimensions: 28.35 x 14.57 x 11.42 inches | Volume: 44 Liters

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Osprey Stratos 44 Men's Backpacking Backpack - Prior Season
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Osprey Hydraulics LT Lightweight Water Reservoir / Hydration Bladder (1.5-2.5 Liters) - Prior Season
Osprey Hydraulics LT Lightweight Water Reservoir / Hydration Bladder (1.5-2.5 Liters) - Prior Season
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From the brand

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  2. Osp Logo Black

    Since its foundation in 1974, Osprey has had the same relentless spirit towards innovation and quality—values established by founder Mike Pfotenhauer back when he began placing his first stitches at age 16. Little did he know, he would eventually stitch together the legacy of meticulous craftmanship for which Osprey is widely renowned. Today, Osprey is a melting pot of diverse personalities, backgrounds, and abilities.

  3. Our Values
  4. fit form function
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  6. BS A+ Product Shot
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  8. You Carry the Pace
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  10. Rugged
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  12. Adventure Together
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  16. Pride
  17. sustainable materials
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From the manufacturer

Cover
Logo

History
Osprey’s History

Since Osprey’s founding in 1974, every single product design bearing the Osprey name has passed through the hands of owner and founder Mike Pfotenhauer, undergoing relentless scrutiny. From stitching the first lines of custom-fitted packs, to meticulously designing innovative products with intuitive features, to forging personal relationships with the sewing operators who construct the packs, Mike has been the unbreakable thread that makes Osprey a top company.

Osprey Stratos 44

Top-loading pack with zippered side access plus side access pocket for organizing backpacking essentials.

You take your hiking seriously and like to stretch your day hikes into light overnights more often than not. The Stratos 44 is built for rugged trails, rain or shine, with serious features and a top loading design so you can easily pack up and go. It's a sustainably designed technical pack with a cloudlike carry, thanks to its highly ventilated AirSpeed suspension system. And even when things turn stormy, your gear is covered with an included raincover.

  • Made sustainably with recycled materials and PFC/PFAS-free DWR
  • Top loading design with a secure drawcord closure
  • Fixed top lid with large main compartment and underlid zippered mesh pocket with key clip
  • Hidden vertical side zip access into main compartment for quick access to contents
  • Zippered access lower compartment with a floating liner keeps contents organized and accessible
  • Accessory straps on lower front panel are perfect for pads or blankets
  • Hidden vertical zipper on left side of pack accesses a large pocket for additional storage
  • Single ice axe loop with bungee tie-offs

stow on the go

Stratos 44

Stratos 44

access pocket

Stow-On-The-Go Trekking Pole Attachment

Osprey’s Stow-on-the-Go trekking pole attachment system is designed to quickly attach and carry trekking poles while wearing a pack or making a quick scramble through rough terrain.

Zippered Lower Compartment

Zippered access lower compartment with a floating liner keeps contents more organized and accessible

Included Raincover

Included raincover made with PFC/PFAS-free DWR

Side Zip Access

Hidden vertical side zip access into main compartment for quick access to contents

Ice Axe

underlid pocket

Stratos 44

Stratos 34

Ice Axe Compatibility

Single ice axe loop with bungee tie-offs

Zippered Mesh Pocket

Fixed top lid with large main compartment and underlid zippered mesh pocket with key clip

Hidden Zipper Pocket

Hidden vertical zipper on left side of pack accesses a large pocket for additional storage

Accessory Straps

Accessory straps on lower front panel are perfect for pads or blankets

rook 50 hikelite 32 exos 38 Stratos talon 44 sportlite
Rook 50 Hikelite 32 Exos 38 Stratos 44 Talon 44 Sportlite 30
See Details
See Details
Customer Reviews
4.7 out of 5 stars
475
4.6 out of 5 stars
81
4.4 out of 5 stars
24
4.8 out of 5 stars
27
4.7 out of 5 stars
58
4.6 out of 5 stars
50
Price $143.96 — $219.95 $172.46 $220.00 —
Volume 50 L 32 L 38 L 44 L 44 L 30 L
Adjustable Torso Length ✓ ✓ ✓ ✓
Included Hydration Reservoir
Hipbelt Pockets ✓ ✓ ✓ ✓ ✓
Zippered Panel Access ✓
Top Loader Access ✓ ✓ ✓ ✓ ✓ ✓
Top Panel Zippered Stash Pocket ✓ ✓
Included Raincover ✓ ✓ ✓
Shoulder Harness Pocket ✓

Product Description

You take your hiking seriously and like to stretch your day hikes into light overnights more often than not. The Stratos 44 is built for rugged trails, rain or shine, with serious features and a top loading design so you can easily pack up and go. It's a sustainably designed technical pack with a cloudlike carry, thanks to its highly ventilated AirSpeed suspension system. And even when things turn stormy, your gear is covered with an included raincover.

Product information

Technical Details

Additional Information

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Product guides and documents

User Manual (PDF)

Looking for specific info?

Customer reviews

4.8 out of 5 stars
27 global ratings

Customers say

Customers like the space, quality and comfort of the backpack. For example, they mention it's spacious, fits all their gear and the side mesh for water bottles is quite large.

AI-generated from the text of customer reviews

Select to learn more
SpaceComfortQuality
4 customers mention "Space"4 positive0 negative

Customers find the space in the backpack to be super spacious and comfortable. They also appreciate the many pockets and access points with zippers. Some mention that the side mesh for water bottles is quite large.

"...It is a perfect backpack for traveling abroad because of the many pockets that it has, and the access points with zippers that allow access to the..." Read more

"This is my first real hiking pack and this pack is incredible. Super spacious and very comfortable...." Read more

"...Super comfortable. Fits all his gear for three day hike. We pack ultra light and he never had any discomfort while hiking over 30 miles." Read more

"...The side mesh for water bottles are quite large BUT no human can reach a water bottle when you're wearing the pack...." Read more

3 customers mention "Comfort"3 positive0 negative

Customers like the comfort of the backpack. They say it's super comfortable and fits all their gear for a three day hike.

"...with a previous version of this backpack, and I can attest to its comfort, durability and manufacturing...." Read more

"...Super spacious and very comfortable. Evenly distributed the weight and it was like I was barely carrying anything...." Read more

"...Super comfortable. Fits all his gear for three day hike. We pack ultra light and he never had any discomfort while hiking over 30 miles." Read more

3 customers mention "Quality"3 positive0 negative

Customers are satisfied with the quality of the backpack. They mention that it's incredible and an excellent product.

"This is my first real hiking pack and this pack is incredible. Super spacious and very comfortable...." Read more

"Excelente producto." Read more

"Excellent pack..." Read more

Top reviews from the United States

Pro Hiker
5.0 out of 5 stars Excellent pack
Reviewed in the United States on January 6, 2024
Color: Tunnel Vision GreyVerified Purchase
I have traveled with a previous version of this backpack, and I can attest to its comfort, durability and manufacturing. It is a perfect backpack for traveling abroad because of the many pockets that it has, and the access points with zippers that allow access to the interior compartment from different ways. I highly recommend this backpack for travelers or people doing short hikes.
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S
5.0 out of 5 stars Awesome!!!
Reviewed in the United States on September 20, 2023
Color: Tunnel Vision GreyVerified Purchase
This is my first real hiking pack and this pack is incredible. Super spacious and very comfortable. Evenly distributed the weight and it was like I was barely carrying anything. I’m still trying to figure out how I want things in my pack set up as there is so much room inside. The only thing I wish it had was Molle attachments for some of my gear.
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Jeff and Elizabeth Anderson
5.0 out of 5 stars Happy hiking husband
Reviewed in the United States on July 16, 2024
Color: Cetacean BlueVerified Purchase
I bought this for my husband for longer multiday hiking and he loves it!!! Super comfortable. Fits all his gear for three day hike. We pack ultra light and he never had any discomfort while hiking over 30 miles.
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Deris
5.0 out of 5 stars Excelente producto.
Reviewed in the United States on July 21, 2023
Color: Tunnel Vision GreyVerified Purchase
Excelente producto.
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Mrknot
5.0 out of 5 stars Most excellent pack!
Reviewed in the United States on September 30, 2022
Color: Tunnel Vision GreyVine Customer Review of Free Product( What's this? )
I've been backpacking for decades.
I started out in the 80s with an external frame, 6 pound Kelty that was absolutely bomb-proof.
My load out was probably around 60 pounds back then. The idea of ultralight gear hadn't really been conceived of yet. The focus was on durability.
In the 90s I upgraded to an internal framed NF pack. It had about a 90 liter capacity and weighed about a pound less than my Kelty.
It was/is a great pack and I still use it for winter backpacking.
As I have gotten older though, I've found that I just don't enjoy carrying that heavy of a load anymore.
A few years ago I transitioned to a 60 liter Granite Gear pack that weighs just over 2lbs. That's been a good pack for me, but as I have started refining my load out with more lightweight and compact gear, I found that the 60 liter size is just too big...there was lots of extra room in my pack, dead space. Further, while my base weight is sub 20 lbs, on longer trips I often find myself carrying around 30-35lbs with food and water. Especially when hiking in drier areas and having to carry more water.
I ordered this Osprey 44 liter and couldn't be happier.
At 3.6lbs, it's heavier than my GG pack, but with the improved suspension system will handle those heavier loads more comfortably.
44 liters, for me anyway, is a pretty sweet spot, volume-wise.
I can easily carry everything I need for up to about 5 days in the woods with no extra space in my pack.
I'm not a huge fan of rain covers for a backpack, I tend to put anything that I don't want to get wet in a heavy duty compactor bag inside my pack. I have found that in really heavy rain, a rain cover will actually gather and hold water in the bottom of it. This pack has an included, permanently attached rain cover which I rarely use. It's a nice feature, if you're into that kind of thing but I'll probably end up cutting it out to reduce the overall pack weight. Save an ounce or two.
The pockets are very well thought out. I really enjoy a breathable kangaroo style pocket on the back of the pack, which this one doesn't have, but it does have an expandable zippered pocket back there which actually holds quite a bit of stuff.
There are side access zippers on the side of the pack which will let you access stuff inside the pack without doing a 'gear dump' on the trail, but they're kind of small and not really all that useful. Not for me anyway, but YMMV.
I find that if I pack my gear in the order I'll use it, it's pretty easy to access what I need, when I need it.
There is a bottom compartment with a floating top, just underneath the main compartment. It has its own external zipper. I put stuff in there that I may need to get to, but don't always use. I.e.- rain gear, bug head net, 1st aid kit, etc. Due to the floating top, it keeps that gear separate and out of the way, but easy to get to.
The top lid, or 'brain' is permanently attached. It has a couple of pockets, one on the inside with a key-clip, this is where I store my wallet and car keys while hiking. The other, exterior pocket is super handy for my poop-kit and other things I might want to get to while taking a break on the trail.
Overall this an extremely comfortable and well thought out pack.
I can see it providing many, many years of reliable service.
Very highly recommended.
7 people found this helpful
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D.G. Christy
3.0 out of 5 stars Wanted to like it.
Reviewed in the United States on October 31, 2023
Color: Tunnel Vision GreyVerified Purchase
First off let me say I really wanted to like this backpack.
The CONS:
This being a 44l pack, it was just barely large enough for a 1 night overnight. But, no more. It does however makes for a very large DAY pack.
I had to ditch my water bladder because it took up too much room internally when I packed it for a one-nighter.
The side hip belt pockets are just big enough to hold a cell phone but they take two hands to operate. Even at that, I had a hard time reaching them.
The side mesh for water bottles are quite large BUT no human can reach a water bottle when you're wearing the pack. Hiking alone, I had to take the pack off everytime I wanted water. (This would have not been an issue if I could have used my hydration bladder.)
The bottom compartment will not hold a sleeping bag even when compressed. Unless you have a very lightweight down bag that really compresses down.
The front zip compartment is useless for anything other than maps.
The PROs
Osprey has had a reputation for top of the line products and they did not disappoint with this one.
The suspension system has an adjustment range that is easy to adjust on the fly and is effective when getting the proper weight distribution.
The hip belt and the shoulder straps are well padded.
The chest strap is easily and widely adjustable.
Plenty of compression straps at every point they are needed.
Zippers are robust and easily operated.
The integrated rain cover is a plus.
All this being said, I returned this pack and turned around and ordered a larger one from Osprey.
One person found this helpful
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Ivan W. Ong
5.0 out of 5 stars Good execution for light backpacking
Reviewed in the United States on September 23, 2022
Color: Cetacean BlueVine Customer Review of Free Product( What's this? )
Depending on your level of field craft, a 44L backpack is either good for a 1-2 day yomp or a bit longer. In the size range area it's considered medium-small. This Osprey execution is a very competent one. Quality materials and construction, Just the right amount of pockets and cavity, and a crazy comfortable back frame construction that will keep you comfortable and dry. The side pockets are deep enough to securely hold a water bottle and there is enough cinch there to prevent the bottle from falling out when you bend over. The waist belt is comfortable and although the shoulder straps are ok, I was hoping that they were a tad wider, but it's not a major complaint. The material is decently water repellent, although I've not tested it in a full out rain and on wet dewy ground. Overall a very competent execution and typical of the high standards that Osprey is known for.
One person found this helpful
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Vede
5.0 out of 5 stars Hiking essential
Reviewed in the United States on October 18, 2022
Color: Tunnel Vision GreyVine Customer Review of Free Product( What's this? )
This is truly a comprehensive hiking backpack that can fit all your essential items for a hiking and camping trip. You can tie quite a few things on top and under as well to expand it as long as you can carry the weight. I also find the interior dividers quite useful, as you can put the smaller items in one compartment, fluffier items in another, and then the heavier items in the middle to give it some cushion.
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Top reviews from other countries

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PL dbx
5.0 out of 5 stars Confortable et bien pensé
Reviewed in France on February 28, 2024
Color: Tunnel Vision GreyVerified Purchase
Ce sac est super confortable comparés à mes précédents. Les bretelles ne font pas mal aux épaules même après des randonnées des 3h. Il est super bien pensé avec sa poche réservée au sac de couchage et la poche du milieu permettant de mettre des couche de vêtements rapidement equipables pour les changements brusques de météo. Les filets sur les côtés sont larges en bien élastiques pour ranger rapidement sa gourde. La ceinture au niveau des hanches est ferme ce qui permet de bien repartir le poids dans les jambes. Les coutures sont résistantes et le sac respire la solidité. Je suis totalement satisfait de cet achat.
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amart239
4.0 out of 5 stars Ben dissenyada
Reviewed in Spain on December 24, 2023
Color: Poinsettia RedVerified Purchase
Una motxilla de muntanya és un sac amb compartiments on guardar material que sigui fàcilment accessible i una espatllera que doni comoditat i ventilació. Compleix en els dos aspectes. L'espatllera és excel.lent i té molts compartiments. Tanmateix caldrà veure la durabilitat del material amb el qual està feta i sobre tot les costures. Tot això ho dirà el pas del temps.
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