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You strive to make your adventures as quick and light as possible, but with a pack you just can't give up on comfort and suspension - with the ultra lightweight Exos 58 from Osprey you don't have to. A durable aluminum frame provides support for your weekend trips, as the mesh backpanel and ventilated bio-stretch harness and hipbelt afford you breathable, all-day comfort; ample storage, on-the-go accessibility to you gear, and adjustable compression adds versatility. This product was selected for the Outside Magazine 2009 Buyer's Guide.
Sophisticated in design, the Osprey Exos 58 backpack is designed for comfort and a super light weight that doesn't sacrifice ventilation across the back. Use it for multiday to multiweek excursions.
Osprey Pack's Exos 58 offers tons of storage and organization without all of that pesky weight. This pack is ideal for super lightweight backpacking, and with it's highly ventilated suspension system you'll feel great while you're out there!
Probably the lightest frame pack for its size, the Osprey® Exos 58 lets you save weight and carry your gear comfortably.
A silnylon sack with shoulder straps and a hip-belt might be feathery light, but without suspension, it can feel as comfortable on your shoulders as a bag of rocks when it’s full. Instead, load the Osprey Exos 58 Backpack, which has a lightweight aluminum frame, for your next ultralight backpacking adventure. Carry up to 40 pounds comfortably in the Exos 58, and notice how the frame, compression straps, and ergonomic hip-belt ensure your load rests where it should for max efficiency and minimal body aching. The breathable foam back panel lets you work hard on the trail without getting a soggy back, and low-profile pockets and sleeping bag straps enable you to organize your gear.
The Exos 58 is the go-to pack for active light-and-fast outdoor pursuits, thanks to our AirSpeedSuspension, which teams a 6061-T6 Aluminum frame with a 3D tensioned mesh backpanel, and side crescent ventilation. The AirSpeed suspension works in tandem with the supportive and ventilated Bio-Stretch™ harness and hipbelt. A compression system composed of superlight 7mm webbing rounds out the lightweight, innovative features on the Exos 58.
Volumes and Weights
US and International weight and volume specifications
| Size | cu. in. | liter | lbs/oz | kg. |
| S | 3300 | 55 | 2/7 | 1110g |
| M | 3500 | 58 | 2/8 | 1140g |
| L | 3700 | 61 | 2/10 | 1185g |
Thanks to Osprey’s AirSpeed Suspension packing light and traveling fast has reached its full potential. The Exos 58 compression system utilizes super light 7mm webbing while its comfort and breathability rest within the Exos Bio-Stretch harness and hipbelt. With the ability to handle quick day pursuits as well as multi-day/week excursions the Osprey Exos backpack becomes your trustworthy outdoor ally and pack Mule.
A fit and comfort unheard of in a one kilo pack.
The Exos 58 is the go-to pack for active light-and-fast outdoor pursuits, thanks to our AirSpeedSuspension, which teams a 6061-T6 Aluminum frame with a 3D tensioned mesh backpanel, and side crescent ventilation. The AirSpeed suspension works in tandem with the supportive and ventilated Bio-Stretch™ harness and hipbelt. A compression system composed of superlight 7mm webbing rounds out the lightweight, innovative features on the Exos 58.
Volumes and Weights
Size cu. in. liter lbs/oz kg.
S 3300 55 2/7 1110g
M 3500 58 2/8 1140g
L 3700 61 2/10 1185g
The Exos 58 is the go-to pack for active light-and-fast outdoor pursuits, thanks to our Air Speed Suspension, which teams a 6061-T6 Aluminum frame with a 3D tensioned mesh back panel, and side crescent ventilation. The AirSpeed suspension works in tandem with the supportive and ventilated Bio-Stretch harness and hip belt. A compression system composed of superlight 7mm webbing rounds out the lightweight, innovative features on the Exos 58. 2 vertical zippered front pockets, 2 tool attachments.
No description provided.
| Access: | top, panel, side |
|---|---|
| Access / Loading: | Top |
| Access Types: | Top |
| Adjustable torso: | No |
| Approximate volume: | 3,500 cubic inches |
| Approximate volume - metric: | 58 liters |
| Average weight: | 2 lbs. 8 oz. |
| Average weight - metric: | 1.14 kilograms |
| Backpack style: | Ultralight backpack |
| Bottom Access: | No |
| Capacity: | 3300 cu in (Small); 3500 cu in (Medium); 3700 cu in (Large) |
| Cargo Capacity: | S 3,300 cu. in.M 3,500 cu. in.L 3,700 cu. in. |
| Cell Phone Pocket/Sleeve: | No |
| Fit: | Unisex |
| Fits torso: | less than 18.5 inches (Small), 18-20.5 inches (Medium), more than 20 inches (Large) |
| Fits waist/hips: | 30 - 34 inches |
| Frame Sheet: | No |
| Frame material: | Aluminum |
| Frame type: | Internal |
| Front Access: | No |
| Hydration Compatible: | Yes |
| Ice Axe Loops: | 2 |
| Load-lifter Straps: | Yes |
| Manufacturer Warranty: | Lifetime |
| Material: | 70D x 100D nylon (body) / 160D x 210D nylon (bottom) |
| Number of pockets: | main compartment + 8 pockets |
| Number of stays: | 1 peripheral hoop |
| Organizer Panel: | No |
| Other Electronics Pocket(S): | 0 |
| Pack Fabric (Primary): | 70D x 100D Shadowcheck nylon |
| Padded Laptop Compartment: | No |
| Pockets: | [External] 1 floating removable lid, 2 front zip, 1 front stretch, 2 side stretch, 2 hip-belt mesh; [Internal] 1 under lid |
| Primary Use: | Ultralight |
| Rain Cover: | No |
| Recommended Use: | Ultra light backpacking |
| Shovel Pocket: | No |
| Ski Carry: | No |
| Sleeping bag compartment: | No |
| Snowboard Carry: | No |
| Spindriftcollar: | No |
| Stays: | 6061 Aluminum |
| Sternum Strap: | Yes |
| Sunglasses Pocket, Lined: | No |
| Suspension: | Aluminum frame, mesh-covered foam back panel |
| Top Access: | Yes |
| Torso Adjustment: | No |
| Torso Length: | S 14 - 16 in.M 16 - 20.5 in.L 20 - 22 in. |
| Trip Length: | Weekend |
| Volume: | [S] 3300cu in (55L); [M] 3500cu in (58L); [L] 3700 (61L) |
| Waist Belt: | Yes |
| Weight: | 1 lb 15 oz (Small); 2 lb 3 oz (Medium); 2 lb 8 oz (Large) |
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View other products from Osprey classified in Hiking & Camping > Backpacks. View all products from Osprey.
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These are products that have been indicated being comparable to this product:
 | Osprey Atmos 65 Hiking & Camping > Backpacks | $149.93 - $239.00 |
 | Osprey Exos 46 Hiking & Camping > Backpacks | $142.95 - $179.00 |
 | Osprey Kestrel 38 Hiking & Camping > Backpacks | $118.09 - $139.00 |
 | Osprey Kestrel 48 Hiking & Camping > Backpacks | $143.10 - $159.00 |
 | Granite Gear Meridian Vapor Hiking & Camping > Backpacks | $155.98 - $199.95 |
 | Osprey Talon 44 Hiking & Camping > Backpacks | $123.95 - $159.00 |
 | Osprey UL Raincover Hiking & Camping > Backpack Accessories | $19.95 - $39.00 |
This product is available in the following colors:
Click any color to show the product in that color
 | Ember Orange |
Use this chart to find which retailer offers this product in the size, color or other options that you desire. Click on the price to purchase.
| Size | Color |
|---|---|
| Ember Orange | |
| Small | 176.98199.957 More... |
| Medium | 176.98199.956 More... |
| Large | 176.98199.956 More... |
Mountains Plus Outdoor Gear offers this product at $197.10, but does not provide any color/size information.
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[*] sweet | |
| Rating: |  |
| i have been looking at 2 of ospreys redesigned packs the osprey atmos 65 or 50 or the osprey exos 58. they are relatively the same backpack but the exos is way lighter then the atmos 50 with 8 extra liters. just got back from a 3 day backpacking trip in lost creek wilderness up the wigwam trail and boy did it perform. i carried 30+ lbs of gear and it felt like a feather. with the airspeed suspension it made the hike so enjoyable. one con is it didnt vent as well as i had hoped but way better then most packs. i really got a taste of how nice this was when a first year scout toting about the same poundage in gear was having a hard time making it up this massive climb so i decided to switch him packs. he just had a gregory and compared to my osprey the thing was a piece. i was soaking wet with sweat and my shoulders were killing me. all i can say is once you go osprey you never go back. | |
| 0utd00rfr3ak at REI on 06/10/2009 | |
Fantastic Pack | |
| Rating: | |
| Just got back from my first trip with the pack. There were 3 of us carrying the same pack with weights from 24 to 30 pounds. Each of us were equally impressed and the low weight of the pack and the comfort it provided. It loads easier than some of the other light packs from Osprey and has all of the conveniences you'd expect. I've waited a long time for pack weights to drop, and I extremely happy with this pack. It really does carry nice and stays put on your back. If I had one criticism it would be that there isn't external access to the interior of the pack...but that's not a big deal. I don't think think they make anything lighter and it is a capable 5 day pack with the right sleeping bag and light gear. | |
| Rustytrigger at REI on 04/08/2009 | |
Almost perfect | |
| Rating: |  |
| I'm mostly a weekend backpacker. I bought this for my typical 3-day 20-40 mile trips, and the occasional week long trip (I like to pack light). I like just about everything about this pack. In particular the built in bungee cord thingies are awesome for lashing your cup, or some camp shoes, and the shoulder straps are comfy and cool. I'm returning this one though. There is one design flaw (IMO). The good sized belt pockets (which were a selling point for me) are partially blocked by the frame when I put this pack on (so that only half the pocket is useable). Maybe this wouldn't happen if I didn't have a thick midsection (36in waist), but I would think this would be easy to design around. | |
| Applehaus at REI on 05/05/2009 | |
Plenty of space | |
| Rating: | |
I got this pack after using the Atmos 65 last year. I loved the Atmos, but I love this pack even more. I was looking for a lighter weight pack, and one that was a bit smaller, this thing is great! I took it on a 3 day Mt Whitney winter trip. I fit my 0 degree bag, warm clothes, 4 season tent, 2 pads, harness, helmet, shovel, stove, fuel, picket, ice axe, and a bunch more stuff and there was plenty of room. It weighed in at 42 lbs and I had no problem whatsoever. Yes the buckles and straps are small, but i dont see a big difference between them and the Atmos straps. If your thinking about this pack, go for it! | |
| merrrrjig748810 at Backcountry.com on 06/02/2009 | |
"Great Ultralight, sacrifice some durability and comfort" | |
| Rating: | |
| Overall, this is a well thoughtout pack. The carry is supportive but not as padded as osprey's other heavier packs. Expect to carry less than 35 lbs for all day comfort. Could have used longer bottom compression straps and the floating lid does not convert into a fanny pack. Also the side mesh pockets are difficult to access your water bottle while wearing the pack. The hipbelt buckle is a very small quick release that could have been made regular size. Aside from those quibbles, it does what it is advertised to do. | |
| David at Moosejaw on 09/10/2009 | |
Love this backpack! | |
| Rating: | |
| Three days after I received the pack, I completed a 40 mile hike. The pack was very comfortable, especially the webbing on the "back" side. It allowed great air circulation. The small pockets on the hip belt were handy, as were the elastic cords for the poles - not having to remove the pack. It fit very well; set comfortably on my hips. For me, overall, it's an outstanding pack and I'm very pleased with it.I'm female, 5'5", 125 lbs, 53, experienced backpacker in Alaska. | |
| Mountain woman at Eastern Mountain Sports (EMS) on 08/11/2009 | |
Great pack! | |
| Rating: | |
| This is a fantastic, fully featured light-weight pack. I've been using the Atmos 65 which is a nice pack, but this Exos has a couple of advantages that I prefer. I like that it packs easier because it doesn't have the shaped cut-out in the middle of the pack and it has more accessible mess side pockets. Not to mention that is weights a lot less. On my first trip with the pack I carried 25 pounds for 4 days and it was always comfortable. | |
| Rustytrigger at REI on 04/13/2009 | |
Good Pack for small trips | |
| Rating: | |
| This is an awesome design for a pack. Lightweight, comfortable, a lot of space. My only problem with the pack is that it doesn't have access from the bottom. On extended trips, I try to conserve energy, so it's really inconvenient to waste it sifting through everything and unpacking when I need to get to the bottom. You can relieve this problem by packing smart, but you'll have to get down there eventually. Other than that, great pack. | |
| Eric at Eastern Mountain Sports (EMS) on 09/13/2009 | |
great pack | |
| Rating: | |
| bought this to replace my older Atmos 65. if you like the atmos, you'll really like the exos....basically the same in design but lighter. the side access side pockets, trekking pole stows, and the less-pronounced back curvature are some great upgrades osprey put into this pack. size is deceiving on this pack, as with summer gear i can easily get a week and half's worth of gear and food in. | |
| nthe at REI on 05/09/2009 | |
"The lightest comfortable multi-day backpack around" | |
| Rating: | |
| Great backpack for the ultralight backpackers. Its one of the lightest bags on the market right now that includes an internal frame. I cant imagine a better backpack, I can fit everything I want in it and its comfortable as heck. My only concern is long term durability, but at least osprey has a lifetime warranty on their bags, so I can't complain. | |
| Gregory at Moosejaw on 07/07/2009 | |
Returned for an Atmos 50 | |
| Rating: |  |
| Ok I want to start by saying I love osprey. I have had several packs and they rock! This one was something I was so excited for that I went out and purchased the second I could. It arrived and I left same day to start a 3 day trip. The pack was so light that I was amazed that it was even there. It carried weight very nicely ( at first ) and seemed to be everything I wanted and more... Then things started to go down hill. One thing that everyone seems to miss with with pack is that it is not designed for years and years of rough use as a performer. It is like a pro athlete, great for a little while, then brittle with age. I noticed that after my trip there were many abrasions that on my other ospreys just washed off. Also all the little weight saving things are great but they make everything kind of annoying to adjust on the fly. I do a lot of off trail stuff and like to go where my nose takes me. This bag started to have scratches and scuffs and then in just 10 total days of use had a tare! Now I know that when you go out in the woods or on a trip that things happen, and that you cant just be rough on everything, but this was kind of crazy. The one thing that bag does horribly is perform consistently. Sure its the lightest, newest, pretty bag... but the new atmos 50 caries almost as much, more comfortably and has been built with traditional osprey attitude making it much much much more durable. I find that since returning it I dont miss all the great little features it has because in the new bag I have the most important one and that is reliability. You can have the lightest coolest bag every but if its only like that for a couple of days the rest of your trip you are going to hate it. If your looking for a bag that you can not worry about and spend your time enjoying your self not looking after your bag then go for the atmost 50 ... i mean its only a few ounces heavier.... | |
| Guppie at REI on 09/16/2009 | |
Osprey failed with this one | |
| Rating: | |
| This is the fourth Osprey pack I have purchased, and I am quite disappointed in its overall performance. My biggest complaint for the Exos is the lack of efficient padding in the harness. I took the pack on a three day outing into the Olympics, and came back with my shoulders rubbed raw. I might have had 30 pounds total in the pack. A pack of 3500 ci's should have a better designed harness. It is to thin and inadequately padded in the cross shoulders area. Another issue is the two front stuff pockets. Unlike the Atmos 50, which seems to have bottomless front pockets, when the main pocket is full, you do not have room to put items in these pockets. If you fill them first, then access them after the main pocket is full, the zippers won't work with out forcing them. I only put my pack towell in one side and left the other side unused. I am quite disappointed in Osprey with this pack, however this will not stop me from looking at any future packs they come out with. But... I am taking this one back. | |
| Akula at REI on 07/22/2009 | |
Everything old is new again | |
| Rating: |  |
| I've used this pack on some 3 - 5 mile dayhikes, and on a one-night, 10 mile trip. I ended up giving it to a friend who wanted to try it; I hope he has better luck than I did. The packbag itself is very nicely done, with 4 outside pockets plus a lid; the "inside-outside" compression strap allows you to run them inside the side pocket, or across the top of the side pocket as you prefer. I always found it very handy to use the long front pocket(s) for storing my tent and tent poles; it was perfect for a Big Agnes Fly Creek, Copper Spur, or Seedhouse solo tent. I didn't have to open my main pack to set up camp in the rain. So why didn't I like it? Because, as I soon figured out, this isn't an internal frame pack. It's a high-tech makeover of an external frame pack, but it's still an external frame pack, with all the limitations of that design. As a result, you still get a slight bounce in the load as you walk, and it tends to move opposite the way you turn (unlike an internal frame, that moves with you.) The suspension didn't impress me. The shoulder straps were fine, and it does have load lifters. However, the hip belt does not wrap all the way around you; instead, there is a section of hipbelt sewn to each side of the frame. The mesh back panel (the "trampoline") is supposed to provide the rest of the wrap. That doesn't work any better now than it did when I put webbing straps on each side of my old American Camper external-frame pack in 1980. Despite the load lifters, I could never get the Exos "hipbelt" to support a 20 - 25 pound load adequately. No matter how tightly I pulled the belt, after a mile or so, the load settled onto my shoulders and stayed there; my shoulders always were sore after I carried the pack. I thought it might be that the hipbelt was just a little too lightly constructed. So, I tried an Atmos 50 on a 3 mile hike; it has the same general design, but thicker, stiffer shoulder straps and hipbelt material. It didn't make any difference, the load still ended up on my shoulders. (Also consistent with my e-frame days: those "split" belts never carried a load as well as the full-wrap belts I eventually discovered on a succession of Camp Trails packs.) Let me be clear: I'm not trashing the quality of the Exos pack (or the Atmos, for that matter.) It is a high-quality, well-made, creatively re-designed external frame pack, and it does have a lot going for it. However, you have to clearly understand that you're getting an external frame pack; you can't expect it to perform like an internal-frame pack. | |
| Glenn at REI on 08/19/2009 | |
