What is the comfortable max load on the Exos 58?

Osprey gives it a 30-35 lb load range, and reviewers find it carries 35 lbs with a composure frameless cottage packs cannot match, which suits a 10-15 lb base weight plus generous food and water. Above that the thin stock hipbelt telegraphs weight straight to the iliac crest, so treat 35 as the line.

Does it have hipbelt pockets?

Yes. The current Exos 58 has dual zippered hipbelt pockets. If you are buying an older generation secondhand, check, because not every past version had them.

How risky is buying it online for fit?

Much less than it used to be: the current generation added an adjustable torso spanning 17-22 inches across sizes, fixing the old fixed-size gamble. It is also stocked at REI, so this is one of the very few sub-3-lb packs you can physically try on first.

What wears out first?

The exposed side mesh pockets — they snag and tear on brush and are the best-documented wear point, while the 100D body fabric has proven far tougher than its denier suggests over multi-thousand-mile reports. Some frames also develop a creak after dusty miles, a known quirk Osprey service lubricates rather than fixes; the lifetime All Mighty Guarantee covers real failures.

How does a BV500 bear canister ride in it?

The trampoline mesh bows into the packbag, so a BV500 sits high and a bit awkward rather than nesting low. Loading it vertically with soft goods packed around it is the workable approach for Sierra-style trips.

Ultralight Pack

~$285

Osprey

Osprey Exos 58

Name: Osprey Exos 58
Brand: Osprey
Price: 285 USD
Availability: InStock

★4.3(105 reviews)

The Exos 58 is Osprey's crossover ultralight — a sub-3-pound pack that keeps a real suspended-mesh frame and lifetime warranty. It has been an Appalachian Trail staple for a decade, and the current generation added an adjustable torso. The women's version is the Eja 58.

Approx. price

~$285

Capacity

58 L

Weight

2.84 lbs

Best For

Hikers stepping down from traditional packs without going full cottage

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Specifications

What do these specs mean? →

Type

Ultralight Pack

Frame Type

Internal Frame

Capacity

58 L

Weight

2.84 lbs

Max Recommended Load

35 lbs (30-35 lb load range)

Torso Fit

Adjustable 17-22 in across sizes

Material

Recycled 100D high-tenacity nylon ripstop, PFAS-free DWR

Back Panel

AirSpeed suspended mesh

Warranty

Osprey All Mighty Guarantee (lifetime)

Raincover Included

Fits BV500 Bear Canister

Yes

Sizes Available

Capacity	Price	Weight
38 L	$245	—
48 L	$265	2.77 lbs
58 Lthis pack	$285	2.84 lbs

Features

Adjustable TorsoVentilated BackHipbelt PocketsRemovable LidHydration SleeveFits Bear Canister

Pros

✓The classic gateway ultralight — AT thru-hiker surveys have ranked the Exos among the most-carried packs for years running.
✓The AirSpeed trampoline back is the only real ventilation in the sub-3-lb class, and sweaty-back refugees notice immediately.
✓The current generation's adjustable torso fixed the old fixed-size gamble, making online sizing much safer.
✓It carries 35 lbs with a composure frameless cottage packs can't match, a point reviewers make repeatedly.
✓The removable lid strips 4+ ounces for weekend loads, with a flap jacket underneath to keep things clean.
✓Osprey's lifetime All Mighty Guarantee is a genuine advantage over cottage packs' 1-2 year coverage.
✓REI availability means you can try sizes on in person — rare in this weight class.
✓The 100D ripstop has proven far more durable than its spec-sheet denier suggests over multi-thousand-mile reports.

Cons

✗The exposed side mesh pockets snag and tear on brush; they're the best-documented wear point.
✗The stock hipbelt is thin, and loads at the 35 lb top of its range telegraph straight to the iliac crest.
✗The trampoline frame bows into the packbag, so a BV500 rides high and awkward.
✗The stretchy shove-it pocket sags when loaded with wet gear.
✗The frame creaks for some users after dusty miles — a known quirk Osprey service lubes rather than fixes.
✗At $285 it costs about the same as cottage packs like the ULA Circuit and Durston Kakwa, which weigh less.
✗Ultralight purists find the hanging-lid-and-straps aesthetic fussy compared to clean roll-tops.

Common Questions

Compare the Osprey Exos 58

vs Osprey Atmos AG LT 65 vs Osprey Eja 58

Related backpacks

Osprey Eja 58

4.4(74)

The Eja is the women's-fit Exos and Osprey's lightweight trekking pack: 2.8 lb for 58 L, with the same AirSpeed suspended mesh as the Atmos in a stripped-down chassis. It is the pack that bridges mainstream and ultralight, offering a frame and ventilation at a weight that cottage packs compete with.

58 L2.82 lbsWomen's FitVentilated back

Weight

2.82 lbs

Capacity

58 L

Frame

Internal Frame

Also in 38 L / 48 L

Best for: Women thru-hiking or covering long distances with sub-35 lb loads

View details Check price

~$325

Ultralight Pack

Osprey

Osprey Eja Pro 55

Eja Pro 55 is the women's twin of the Exos Pro 55: an AirSpeed tensioned-mesh back on a light frame, wrapped in NanoFly nylon and UHMWPE ripstop. It weighs 2.1 lbs in WM/L and 1.9 lbs in the 52 L WXS/S, about three-quarters of a pound under the Eja 58. The floating lid comes off to save more weight, and the pack is rated for 10-30 lbs.

55 L (52 L WXS/S)2.1 lbsNanoFly UHMWPEVentilated back

Weight

2.1 lbs

Capacity

55 L

Frame

Internal Frame

Best for: Women thru-hiking or doing long trips on a lightweight base

View details

~$330

Ultralight Pack

Osprey

Osprey Exos Pro 55

4.1(37)

The Exos Pro is Osprey's answer to the cottage ultralight brands: 33.2 oz for 55 L, or 30.4 oz with the lid removed. It uses NanoFly, a 100D nylon crossed with 200D UHMWPE, over a 3.5 mm LightWire frame, and saves about three-quarters of a pound against the standard Exos 58 at the cost of load rating and a fixed hipbelt.

55 L2.08 lbsRemovable LidVentilated back

Weight

2.08 lbs

Capacity

55 L

Frame

Internal Frame

Best for: Thru-hikers with sub-30 lb loads who still want a suspended-mesh frame

View details Check price

~$280

Daypack

Osprey

Osprey Tempest Pro 40

Tempest Pro 40 is the largest of Osprey's women's fast-and-light packs, sized big enough for an overnight with a compact kit. A LightWire peripheral frame and sliding-yoke torso adjustment carry 15-30 lbs, while the BioStretch harness and hipbelt move with the body. It weighs 2.9 lbs in WM/L (2.7 lbs in the 38 L WXS/S) and adds a floating lid that the 20 and 30 L versions lack.

40 L (38 L WXS/S)2.9 lbs15-30 lb load range

Weight

2.9 lbs

Capacity

40 L

Frame

Internal Frame

Also in 20 L / 30 L

Best for: Women doing fast overnights or big-mileage days

View details

~$320

Traditional Pack

Osprey

Osprey Atmos AG LT 65

4.3(28)

The Atmos AG LT is the lighter reworking of Osprey's flagship Anti-Gravity pack. It keeps the suspended-mesh AirSpeed backpanel that made the Atmos famous but swaps the sliding harness for five fixed torso positions and drops to a 210D recycled honeycomb shell, saving around half a pound over the standard Atmos AG 65 and $50 off its price.

65 L40 lb Load RatingSuspended Mesh BackVentilated back

Weight

4.07 lbs

Capacity

65 L

Frame

Internal Frame

Also in 50 L

Best for: Comfort-first backpackers carrying up to 40 lb who want the Atmos suspension for less weight

View details Check price

~$320

Traditional Pack

Osprey

Osprey Aura AG LT 65

Aura AG LT 65 pairs Osprey's ventilated AntiGravity suspended-mesh back with a pared-down feature set, the women's counterpart to the Atmos AG LT 65. It weighs 4.0 lbs in WM/L (63 L WXS/S at 3.8 lbs) and carries 30-40 lbs. An integrated raincover, curved side zip into the main compartment, floating lid and internal hydration sleeve make up a simpler feature set than the full Aura AG.

65 L (63 L WXS/S)4.0 lbsAntiGravity mesh backVentilated back

Weight

4.0 lbs

Capacity

65 L

Frame

Internal Frame

Also in 50 L

Best for: Women backpacking in warm weather who want a ventilated back

View details

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