What is the comfortable max load on the Exos 58?

It carries 35 lbs with a composure frameless cottage packs cannot match — the constant r/Ultralight comparison — which suits a 10-15 lb base weight plus generous food and water. At the 40 lb ceiling the thin stock hipbelt telegraphs weight straight to the iliac crest, so treat 35 as the practical line.

Why doesn't it have hipbelt pockets?

Osprey has flip-flopped on this across generations, and the configuration cataloged here ships without them — the first gripe in nearly every long-term review. Check exactly which generation you are buying, and if yours lacks them, aftermarket hipbelt pouches are the standard fix.

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
Rating: 4.3 (105 reviews)

★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 (tested)

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	—	—
48 L	—	—
58 Lthis pack	$285	2.8 lbs

Features

Adjustable TorsoVentilated BackRemovable 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, per constant r/Ultralight comparisons.
✓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

✗No hipbelt pockets on a pack this popular remains baffling — nearly every long reviewer lists it first.
✗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 40 lb ceiling 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 $260 it's within $40 of true cottage packs (Circuit, Kakwa) that weigh half a pound 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 vs Outdoor Vitals Shadowlight Carbon 60

Related backpacks

Osprey Eja 58

4.4(74)

The Eja is the women's-fit Exos and Osprey's lightweight trekking pack: 2.7 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 L2.7 lbsWomen's FitVentilated back

Weight

2.7 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

🎒

~$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 nearly a full 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

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~$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

4.2 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

~$340

Traditional Pack

Osprey

Osprey Aether 65

4.6(106)

The Aether 65 is Osprey's heavy-hauling workhorse, built around a burlier frame and tougher 420-denier fabric than the Atmos. It trades the AntiGravity trampoline for a body-hugging AirScape back panel that handles 50+ lb loads with more control. The women's equivalent is the Ariel 65.

65 L60 lb Load Rating420D Fabric

Weight

4.85 lbs

Capacity

65 L

Frame

Internal Frame

Also in 55 L

Best for: Load haulers, trip leaders, and anyone regularly carrying 45-60 lbs

View details

~$220

Traditional Pack

Osprey

Osprey Kestrel LT 65

4.5(2)

The Kestrel LT is new for spring 2026 and simplifies Osprey's long-running Kestrel: an AirScape ridged-foam backpanel over a perimeter wire frame, a sliding harness yoke with five inches of torso adjustment, and an included raincover. It sheds 240-320 g against the standard Kestrel and costs considerably less, giving up about three litres of capacity to do it.

65 LRaincover Included5 in Torso AdjustmentVentilated back

Weight

4.25 lbs

Capacity

65 L

Frame

Internal Frame

Also in 28 L / 35 L / 45 L

Best for: Multi-day trips up to 40 lb for hikers who want Osprey fit without a premium price

View details

🎒

~$210

Daypack

Osprey

Osprey Manta 24

4.4(10)

The Manta is Osprey's hydration-specific hiking pack and ships with a 2.5 L Hydraulics LT reservoir, a magnetic bite-valve attachment on the sternum strap and a dedicated reservoir sleeve. It uses the same AirSpeed suspended mesh as the Stratos, so the price covers both the suspension and the bladder.

24 L2.5 L Reservoir IncludedSuspended Mesh BackVentilated back

Weight

3.4 lbs

Capacity

24 L

Frame

Internal Frame

Also in 34 L

Best for: Day hikers who want a reservoir-first pack with full ventilation

View details

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