1 / 7Osprey Exos 58 Men's Ultralight Backpacking Backpack
Ultralight: Osprey Exos 58 is a framed men's backpacking pack listed at 2.9 pounds, with a 61-liter storage volume and water-resistant construction. Its stated lightweight build and ExoForm mesh harness are relevant for hikers prioritizing lower pack weight and cushioned shoulder contact, while customer feedback is mixed on durability and size.
At a glance
- Framed pack with listed 61-liter storage volume and a listed weight of 2.9 pounds.
- ExoForm harness is described as seamless layered mesh intended to provide cushioning and comfort.
- Three pockets and five compartments are listed, alongside a bottle holder.
- Nylon outer material and lining are listed, with water resistance described as “Water Resistant.”
Often bought together
Pros and cons
Pros
- The listed 2.9-pound weight supports buyers looking to limit pack weight on backpacking trips.
- The ExoForm layered mesh harness provides a specific comfort-oriented feature, not just a general fit claim.
- The listing specifies three pockets and five compartments for separating gear.
Cons
- The stated care instruction is hand wash only, which may be less convenient than machine-washable care.
Technical specifications
21 specifications| Brand | Osprey |
|---|---|
| Model | Exos 58 |
| Listed storage volume | 61 liters |
|---|---|
| Dimensions (D × W × H) | 13"D x 14.6"W x 32.3"H |
| Size | Large-X-Large |
| Weight listed | 2.9 pounds |
|---|---|
| Backpack design | Framed Backpack |
| Material | Nylon |
| Shell type | Soft Shell |
| Water resistance listed | Water Resistant |
| Maximum weight recommendation | 35 pounds |
| Number of pockets | 3 |
|---|---|
| Number of compartments | 5 |
| Pocket description | Utility Pocket |
| Bottle holder | Bottle Holder |
| Closure type | Zipper |
| Harness | ExoForm harness features seamless layered mesh to provide improved comfort and cushioning |
| Care instructions | Hand Wash Only |
|---|---|
| Color | Blue Ribbon |
| Style number | 10004021 |
| Warranty description | All Mighty Guarantee |
What to know before buying
Listing details to confirm
The title names the pack Exos 58, but the listing gives its storage volume as 61 liters and separately reports “58 Count” as the unit count. Treat the capacity terminology as inconsistent rather than assuming those figures describe the same measurement. Water resistance is listed without a stated rating or waterproof claim. Customer feedback also includes mixed durability and size impressions, including a report of a drawstring breaking before first use.
What’s in the box
Included- Exos 58
Who is it for?
A good fit for
- Backpackers wanting a framed, lower-listed-weight pack with a stated 61-liter storage volume.
- Hikers who value a mesh harness and multiple listed storage compartments.
Less suited to
- Buyers who need a clearly specified waterproof rating or want a confirmed capacity measurement before choosing a pack.
- Buyers seeking an item with machine-washable care instructions.

Customer reviews on Amazon
- 5 stars
77% 77% - 4 stars
12% 12% - 3 stars
0% 0% - 2 stars
7% 7% - 1 star
4% 4%
Customer feedback highlights perceived quality, comfort and light weight. Durability and size receive mixed impressions, including a report of a drawstring breaking before first use and a comment that the pack is large enough for a couple of days of backpacking. Those comments matter when considering the listed 2.9-pound weight and stated 61-liter volume, but do not resolve the listing's inconsistent capacity details or establish how the pack will hold up for a particular user.
Positive themes
- Customers describe the backpack as comfortable and lightweight, and praise its quality.
Mixed feedback
- Durability impressions differ, including both an expectation of long service and a report of a drawstring breaking before first use.
- Size impressions vary, with one customer describing it as big enough for a couple of days of backpacking.
Frequently asked questions
What capacity is listed for the Osprey Exos 58?
The listing states 61 liters of storage volume, while the product name is Exos 58 and a separate unit-count field says “58 Count.” Those details are inconsistent, so verify the capacity description for the selected listing.
How much does this pack weigh according to the listing?
The listed weight is 2.9 pounds. The source presents this as a product claim, not an independently verified measurement.
Is the Exos 58 waterproof?
The listing says “Water Resistant,” but gives no rating and does not claim the pack is waterproof.
What are the listed care instructions?
The care instruction is “Hand Wash Only.”

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