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Osprey Stratos 36 (Closeout) Day Pack

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Osprey Stratos 36 Day Pack

By Josh

Enwild Gear Specialist

The Enwild Difference

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Built for long day hikes and overnights in the backcountry the lidded Osprey Stratos 36 internal frame backpack combines carrying comfort ventilation and organizational features to deliver lightweight technical performance.


Built for long day hikes and overnights in the backcountry the lidded Osprey Stratos 36 internal frame backpack combines carrying comfort ventilation and organizational features to deliver lightweight technical performance.

Employing Osprey's Airspeed Suspension the pack’s tensioned mesh back panel provides flexible support and breathability to combat heat build-up between your back and the pack body. Both the hipbelt and harness straps are padded with die-cut foam and covered in mesh to enhance comfort and optimize fit. Accommodating hikers of varying size the Stratos 36 is available in Small/Medium (fits torso lengths ranging from 16”-20”) and Medium/Large (19”-23”) size options. Adjustability in the harness load-lifter straps and sternum strap enhance fit.

The storage capacity of the Small/Medium pack is 2014 cubic inches and the Medium/Large has a 2197 cubic inch capacity. In addition to its traditional top access point the main packbag can be reached through a zippered side panel entry. Additionally a lower compartment serves as a dedicated spot for stowing your sleeping bag or other clothes and gear. A front zippered stash pocket two side stretch pockets and dual pockets on the pack’s fixed lid offer additional organizational options.

Other features include a Stow-on-the-Go trekking pole attachment removable sleeping pad straps an ice axe attachment with a stowable bungee tie-off and an integrated rain cover. A lined internal sleeve and drinking tube pass-throughs make the pack hydration compatible (hydration system sold separately).

The Osprey Stratos 36 pack is available in your choice of size and color options.

  • Dual side compression straps
  • Stow-on-the-Go trekking pole attachment
  • Dual side stretch mesh pockets
  • Front panel storage pocket
  • Ice tool loop with bungee tie-off
  • Integrated raincover
  • Zippered hipbelt pockets
  • Internal hydration reservoir sleeve
  • Top loader access to main compartment
  • Under top-lid zippered mesh pocket
  • Fixed top-lid with zippered stash pocket
  • Side panel zip access to main compartment
  • Front panel vertical center zippered pocket
  • Zippered sleeping bag compartment with bellowed divider
  • Removable sleeping pad straps
California residents: view proposition 65  Warning

Technical Specs

Best Use
Backpacking, Hiking
Top Loading w/ Side Access and Sleeping Bag Compartment
Item Dimensions
27" x 13" x 13"
Fits Torso
Small/Medium: 16"-20"
Medium/Large: 19"-23"
Frame Material
Hydration Compatible
Maximum Weight
35 lbs
Sternum Strap
Yes; Adjustable
Torso Adjustment
Small/Medium: 2014 cu in
Medium/Large: 2197 cu in
Limited Lifetime
Internal Frame Backpack
Main: 210D Nylon Crosshatch
Accent: 420HD Nylon Packcloth
Bottom: 420HD Nylon Packcloth
Item Weight
Small/Medium: 3.17 lbs
Medium/Large: 3.30 lbs

16 Reviews

4.75 / 5


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Sort By

Eric J.


Great support


Suspension on this pack allows air flow on your back. Was comfortable wearing on long day hikes.


Wish it had the stuff it sack like other Osprey packs.

Wayne E.


Great Pack, Great Service


This pack places the weight firmly on my hips. I appreciate the helpful service from the folks at Backcountry Edge



Ryan B.


Great pack for traveling and weekend backpacking trips


After only a few uses, I am ready to make this my goto pack. It has a comfortable and breathable mesh back that is essential for long hikes in the summer. The pocket layout is both practical for storing items of all sizes and are conveniently placed.


My only complaint about this pack, is that the way the bag is naturally curved to shape your back, makes it so that when you set it down it wants to fall over. Maybe with some strap adjustments this can be corrected.

Dexter K.


Great pack for the money


Surprising amount of space can handle a weekend trip if packing light. Very comfortable and included rain cover is an awesome bonus.


Straps move around when loaded down



Excellent backpack


Great for both day hikes and 1-2 nights. Very adjustable for a good custom fit.





Comfortable but expensive pack!


This is a nice tactical bag which is lightweight, fits carry on size and is very comfortable to carry even in heavy loads. We got this style for my husband and I use the sirrus version, which I have reviewed separately. It has a built in raincover, which we did not need but would have surely come handy.


Has limited space, seems smaller than 36L. There is a shoe/sleeping bag section in the bottom but it is hard to fit men's size hiking shoes here. Could work for small sizes or less bulky shoes. Pretty expensive for a daypack. It could probably be used for short overnight trips, but you would have to really limit what you take with you.

Benjamin T.


Updated model


I had the previous Stratos 36 and decided to check the new one out and see the updates. The suspension is improved noticeably. It's not an AG suspension but is "AG inspired" in that it uses a single piece of mesh for the back panel and interior of the hipbelt. The new model also adds a convenient exterior pocket. If you're looking for an overnight/weekend version of an Atmos, this is the closest thing to it. Go with the 36l version over the 34 for the top-loading and you won't regret it.


A little heavy for a 36l pack.

Peyton M.


Great Pack for Day Hikes and Short Camping Trips


Very Spacious



Stephen W.


Great overall pack


Suspension system is comfortable. Weight carried on hips well. Good size. Able to bring on plane (carry on) if not overly stuffed


None yet

Russell K.


Good pack for a weekend trip


This pack comes with an attached rain cover in its own compartment, easy to put on and put away. Its description is accurate, it's a smaller pack for backpacking trips but is enough to hold the essentials.


The top of the pack has a bit odd of a drawstring which makes it a little difficult to open and put in or take out gear. The height seems fine to me, but a taller person may not necessarily like the placement of the waist and chest straps- but I am not one to speak on account of them.

Tejas S.


Great backpack for day use


Looks like it is well made, has quality material, feels great on my back and enough room for all my stuff plus kids for day hikes.


None yet but I've only taken it out once. I'll update once I have more miles with it.

James H.


Super comfortable day pack!


•Feels like a custom fit - super comfortable! •Generous hip belt for big guys •Easy access to pole loops, water bottle pockets and packed items (through side zipper) •Room for a 3L hydration bladder •Comfort, comfort, comfort!!! Can't stress this enough. The only bag that even came close in my sampling was the Marmot Graviton 38 but the comfort and ease of use of the Osprey bag sealed the deal for me.


•This is my first hiking bag, so I'm still learning what all the straps and pockets are for. It seems much at first, but a little searching on YouTube and talking to some hikers is quickly clearing the air about the purpose of all these items.