How to Choose a Backpack

When every ounce matters but you still want a supportive carry, the men's Osprey Exos 48 is just the ticket for your backpacking adventures, committing thru-hikes and fast-and-light adventures.
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View the Osprey Exos Product LineView all Osprey Backpacking PacksBest Use | Backpacking |
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Frame Type | Internal Frame |
Gear Capacity (L) | S/M: 48 liters L/XL: 51 liters |
Gear Capacity (cu. in.) | S/M: 2,929 cubic inches L/XL: 3,112 cubic inches |
Weight | S/M: 2 lbs. 12 oz. L/XL: 2 lbs. 14 oz. |
Adjustable Torso Length | Yes |
Fits Torso Length (in.) | S/M: 17-20.5 inches L/XL: 19.5-23 inches |
Fits Waist/Hips | S/M: 28-50 inches L/XL: 30-50 inches |
Material(s) | 100-denier high-tenacity recycled ripstop nylon/400-denier high-tenacity recycled nylon (bluesign® approved) |
Frame Material | Alloy steel |
Number of Stays | 1 peripheral hoop |
Reservoir Compatible | Yes |
Suspended Mesh Back Panel | Yes |
Pack Access | Top |
Number of Exterior Pockets | 6 + main compartment |
Raincover Included | No |
Hipbelt Pockets | Yes |
Dimensions | S/M: 30 x 14 x 12 inches L/XL: 32 x 14 x 12 inches |
Gender | Men's |
Sustainability | Contains materials that meet the bluesign® criteria Contains recycled materials |
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Most comfortable pack I've ever used - including when I did testing for the US Army. Handles 30 lbs with ease, which for me is enough for a 5-day backpacking trip. While not an ultralite pack, I think the few extra ounces are well worth it for the comfort and usability features. For example, the top part has a nice little net pouch underneath and the edges have an elastic material so it will conform to the pack and keep out rain (never seen that on any other pack). The large stretchy pocket in the front is reinforced with nylon so it doesn't snag easily when you put the pack on the ground. Modifications: as others have noted, the two pockets on the waist belt are easy to open, but hard to close with one hand while walking - so I just keep infrequently needed items like a first aid kit and sunscreen/bug spray in them. Also, the zig-zag compression straps can block the side mesh pockets. I cut them in half so the lower one just goes across the pocket, and the top one makes a V that compresses the pack without hindering the vertical mesh pocket access.
Had the previous version, but the hip belt ripped on my thru so I ended up with this version. It weighs more, the adjustable shoulder strap system bounces, they hip belt pockets are difficult to use and for some stupid reason tied into the side compression straps, the straps they use don't hold well and regularly have to adjust, it's an Osprey so you know it squeaks, the pockets are more difficult to use, and the rain flap is so small you have to use the brain to keep stuff out. There are definitely worse packs out there, but Osprey took some steps backwards on this one.
I used this pack for the Camino De Santiago Norte, 533 miles in 35 days. First, this is an excellent pack but I wouldn't recommend for the Caminos as it is too big a bag if you are not going to camp. I do wish the bag had more access point than just the top get into the bag. Also the adjustment for the torso size came undone several times. The bag was very light and very comfortable. Love the big outside pouch as I used it to stuff full of food picked up along the trail. The system for carrying walking poles was awesome and I used it several times a day to store poles while walking. Water bottle side pockets were okay but were difficult to get bottles out or put back without taking the pack off. The bag held up very well and still looks like new after 6 weeks of travel and 35 of those on the trail.
This pack is so much lighter than my old Osprey Aether. The Airspeed suspension is super comfortable and while your back still sweats, it is backpacking, the back suspension breathes and you feel some evaporative cooling. I use this pack to hike to high lakes and fish and the 48 has plenty of room to carry gear for multiple overnighters. Awesome pack.
I've used the Exos 48 on several 2-6 day backpacking trips and I really love it. The key to a bag like this is to keep your total weight in the 35 lbs. or less range. That may mean you need to upgrade some of your gear to lighter kit. For example, in the winter the weight of the pack + 1L of water + all my gear = 19.1 lbs. That gives me plenty of additional room for food, making a 6-day trip (33lbs total for pack + water + food at the start...but it gets lighter as you eat along the way!) pretty easy. I do have to strap my tent on the outside when traveling with that much food, but for a 2-3 night trip, everything fits inside nicely.
Another great backpack from Osprey the Exos 48 was perfect for my recent venture - hiking the West Highland Way 96 miles (155km) wild camping along the way plenty of room for all my kit - the L/XL actually gives you fractionally more capacity at 51 litres so ideal for me - with the S/M at the actual 48 litres. It proved to be super comfortable and adjustable I was carrying around 13. 5kg ( approximately 30 lbs) which is deemed to be at the top end of the carrying weight but certainly didn’t feel stretched an anyway - absolutely ideal in fact - it doesn’t have a rain cover but don’t let that be a deciding factor against not purchasing 👍
Purchased last month and completed a 10 miles hike with 22lbs in this pack and it handled it like a dream. I'm 6'0" tall and 205lbs with a 19.5" torso measurement and 46" chest and the L/XL pack fits my perfectly. There are lighter packs but they cost more and aren't as durable or comfortable and there are cheaper packs but they are heavier and not as comfortable. In my mind, this pack strikes an excellent balance of weight, comfort, durability, and cost. It's sub 3lbs with the brain on and close to 2.5lbs if you choose to leave that at home, which I haven't yet. It doesn't come with a rain fly but that's extra cost and weight that you don't need and doesn't protect your gear from water as much as using a pack liner or trash compactor bag. Also, in regards to the hip pockets; they are there but not very big and depending on your body type, difficult to use. I keep items in there that I might need every so often but for frequent things such as snacks, chapstick or my phone, I just use Osprey's ultralight waist pack which is commonly on sale for less than $20 and only weight about 2oz. Overall, I cannot rate this pack highly enough and I have absolutely zero issues with it
My "go-to-pack" for day hikes. Perfect size, light and comfortable. Highly recommend.
Let me begin by saying I love Osprey packs. I used an Exos on my 2017 AT thru hike. It had hip pockets, albeit too small to be practical. The pack was trashed after that hike, so I replaced it with a newer version that had no hip pockets. When Osprey brought back the hip pockets, I decided to go from the 58 to the 48 (my base weight is down to 12-14 lbs, so it was time for a smaller pack.) Unfortunately, the hip pockets are nonfunctional. The zipper is practically impossible to close even when the pockets are empty due to the curvature of the pocket. Once the pocket is loaded with a phone or sunglasses, I found that I needed to unclip the waist band in order to get the zippers to close. One of the primary reasons I chose this pack was because of the pockets, so for the first time ever, I guess I will be making a return to REI.
This is a great bag that is really multipurpose. I squash it down with the compression straps for day hikes and can fill it out for multi day treks or when I need extra group and safety equipment when leading clients. My favourite pack, the frame is great and if adjusted correctly the weight transfers down on to the hips perfectly, tighten up the load lifter straps and it feels like you’re carrying almost nothing at all. I organise all my water sensitive gear in dry bags so would not want the extra weight and bulk of a tethered rain cover - they catch the wind anyway so not something I ever use - the 3 star review is unfair when it is clear in the spec that the pack does not come with a rain cover.