How to Choose Daypacks

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For demanding day hikes or light and fast overnight trips, the Osprey Stratos 36 pack offers top-loading and side-panel zip access, and plenty of pockets to organize your gear.
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View the Osprey Stratos Product LineView all Osprey DaypacksBest Use | Hiking |
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Bag Style | Backpack |
Frame Type | Internal Frame |
Adjustable Torso Length | Yes |
Material(s) | Nylon |
Frame Material | LightWire alloy frame |
Number of Stays | 1 |
Suspended Mesh Back Panel | Yes |
Pack Access | Top/bottom/side |
Number of Exterior Pockets | 7 |
Hipbelt | Yes |
Hipbelt Pockets | Yes |
Sleeping Bag Compartment | Yes |
Raincover Included | Yes |
Reservoir Compatible | Yes |
Dimensions | 27 x 13 x 13 inches |
Gender | Men's |
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I am replacing my 2012 North Face Alteo 35 with the Osprey Stratos 36 M/L. The Stratos is taller and narrower than the Alteo but has the same capacity. My test for for capacity was conducted using ordinary rolls of TP, yes because they mimic the density of clothing. Each roll was 4" high by 4 /1/2" wide and each pack held 18 rolls WITH A FULL 3 LITER Geigerrig Bladder installed in the pack at the same time. I have been hiking in Glacier National Park for the last 5 years with my Alteo and it held plenty of contents for very long Day hikes in the park. I don't foresee any problems regarding capacity with the Stratos. There is also more room in each pack once filled with the TP to hold narrow things like Bug Spray cans and extra water bottles and food containers. The Stratos also can hold a few things in the top (hood) of the pack where the Alteo cannot and there is room in the bottom compartment of the pack for a rain jacket! I like the way the hip belt fits on the Stratos much better than the Alteo and find it able to apply the weight of the pack onto my hips; the Alteo did not do this. Cons: on the Stratos the water bladder hoses come out the top middle of the pack whereas on the Alteo they come out on the side. It's a minor inconvenience routing the hoses this way but not a show stopper.
I bought the Stratos 36 to replace a well-worn and retired 1st generation Exos 34. Like my old Exos this pack is a tad oversized for most of my gallivants. However, the extra room is perfect when I'm carrying camera gear (extra lenses, tripod, etc.) or I'm hiking to a remote location for a day of fly fishing. The suspension handles the occasional 25-pound load just fine. Note: I just returned from a guided day-hiking tour of Glacier National Park. We had three guides and 25 clients. Osprey packs abounded in the group. One of the guides, the only woman, was carrying a Sirrus 36. Over half of the clients were carrying various Osprey day packs.
Bought this pack about month ago. Have used on couple over night trips and day hikes. Excellent pack size for both needs. Back Mesh System is excellent especially on hot desert treks. Very easy and comfy ride. Adjusts well between hips and shoulders. Absolutely could work for 2-3 night trip if not required to carry lot of water and you have more ultra light gear. Plan on using soon on 4 day 3 night trip into Grand Canyon. This is my 2nd Osprey Pack (other Aether 60) and I am confident I can cover any planned trips. Only gave 4 stars as I wish the mesh pockets were designed to allow access to water bottle with pack on.
At 5'8/130 This pack fit me better than any of the womens packs. I have a few friends who also found that to be the case. I am buying a second for my daughter. I have used this pack for international travel and day hiking everywhere. It fits all the safety gear, extra clothing, lunch and a daily amount and for me an emergency supply of water should I get stranded overnight. I use it for winter sports too it is great for a long snowshoe or ski. Sizing for packs and most gear should be gender neutral and based on height and weight I hope we evolve soon.
I bought this bag to move fast on day hikes, but wanted the extra space for snowshoeing and winter mountaineering. The light frame and trampoline back make it great for speed. It is also full of cool features like a zipper all the way down the main compartment so you don't have to dig through everything in your bag to get your toilet paper you packed first, a built in rain fly, and the awesome little pockets on the hip straps. It holds a lot more gear than I thought it would, I plan to use it for some overnights this fall. I think if you pack light you easily do some through hiking with this pack.
I love going fast and light on single overnight adventures. I also hate back sweat. This solved both of my problems. This pack is surprisingly roomy for its size. Who knew you could fit so much in 36 liters! If you've had an Osprey before, you won't be disappointed in the quality. Small touches like the key leash, whistle on the sternum strap clip, ax loop, trekking pole attachments and side mesh pockets are really, really thoughtful. You can tell that passionate backpackers designed this pack. The vertical zip pocket makes it so easy to pull out little items like sunglasses, a headlamp or even something as small as chapstick, without having to fully open the pack. There are also side zippers along the main compartment which I don't use. The reason I love this pack is the comfort of the back. Holy moly! The straps are so comfortable, and the mesh back keeps me cool. No one like swamp back. Osprey has this DOWN. I'm also not a fan of the super-rigid hip belts (hard to move when scrambling), and this one is perfect. The hip belt pockets are big enough for an iPhone X (hooray for not losing phones in rock fields!). I know this isn't listed as an overnight pack, per se, but it's my favorite for just that. I loved it so much, I got its 50L cousin for longer trips and snowshoe adventures.
Love the vertical zip pocket, side pockets, mesh pocket inside the pocketed top, the rain cover pocket, the "sleeping bag compartment," which is really just another pocket and the hip belt pockets which are not "too small" for my needs. Lots of ways to store small items without having to open the top. Also like the bottom straps! and trekking pole holder. Coming from Kelty Redwing pockets territory, I found many Osprey models to be lacking in their larger backpacks. This is a perfect backpack/daypack size and I prefer the interior sleeve for my insulated (ice!) 3L Camelbak. No noise issues...yet. After buying this pack I saw that the Mantra has the super-comfortable AG shoulder straps....but I prefer the Stratos features.
Let me start by saying I did some research on backpacks. I am 6'2 about 200lbs. I was looking for a larger day pack and maybe something for lighter backpacking. The 36 is perfect for me. I love this backpack. Money well spent. The quality is phenomenal, the suspension back makes me forget I'm wearing a backpack. A hydration pack fits in it excellent. AND the side access. If you have never had a pack with side access, the game is about to be changed. I'll never go back If you're torn about whether or not to buy this, just do it.
I have had this pack for a couple of years - maybe 3? It has been great for short trips with the bladder and snacks or a big Nikon camera and gear. Recently I did the first 20 miles of the AT with a 20 degree bag, Quarter Dome tent, and my trusty old whisperlite plus other gear such as a purification pump and nalgene bottle and food. Yes- it was tight, but I had less gear and weight than my friends. If i was packing my 50 degree bag I would have room for multiple days of food.
I just wrapped up a long walk from Barcelona, Spain to the start point of the Camino de Santiago in France. There's enough to worry about on such a trek and prior experience has taught me that if you're thinking about your pack, you have the wrong pack. Not once did I ever second guess, fret and wonder about the Stratos 36. It rode like a dream. As with my other Ospreys, it's built well and held up without a single issue. But the on-trail vote seemed to favor Ospreys, too: my guess is at least half of all hikers shouldered an Osprey. That's probably all you need to know.