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Osprey - Exos 58

The Exos 58 from Osprey is a top loading technical backpack designed specifically for superlight backpacking and thru-hiking endeavors. Since its introduction in 2008, the Exos Series has become a standard on the Appalachian Trail and with ultralight enthusiasts not willing to sacrifice comfort. The AirSpeed™ suspension, torso-specific sizing and ergonomic design all contribute to bridge the gap between comfort, fit and light weight. The Spring 2014 redesign benefits from Osprey’s never-ending search for the latest technology in materials and hardware as well as innovative design. The comfort and support of the harness and hipbelt are drastically improved. Updated materials and hardware provide a lighter weight pack, and the lid, key straps and attachment points are all removable.

Technical specifications & features

Weight SML: 2 lbs 8 oz. (1.15 kg)
MED: 2 lbs 10 oz. (1.20 kg)
LRG: 2 lbs 12 oz. (1.25 kg)
Gender Men's & Unisex
Mfg Sku/Part Number 033958
Cubic Inches SML: 3356
MED: 3539
LRG: 3722
Liters SML: 55
MED: 58
LRG: 61
Material + 100D high tenacity nylon
+ 100D high tenacity ripstop nylon
Other Features DIMENSIONS
Dimensions are shown as length (height) x width x depth
Size Small
IN: 28 x 14 x 14
CM: 71 x 35 x 35
Size Medium
IN: 30 x 14 x 14
CM: 76 x 35 x 35
Size Large
IN: 32 x 14 x 14
CM: 81 x 35 x 35

• Internal hydration sleeve
• Stretch mesh external pockets
• AirSpeed™ SL Suspension
• ExoForm™ harness
• ExoForm™ hipbelt
• Ice tool loop
• Integrated FlapJacket™ Closure System
• Removable sleeping straps
• Removable top pocket
• Tie-off points

An internal sewn-in backpanel sleeve with clip attachment accommodates up to 3 liters of hydration

Product Reviews

Excellent pack
Wanted a smaller pack for walking a section of Camino de Santaigo.
Walked 115+ km with no issues. Easy to grab water from side pocket. Ventilated back was very nice. Belt and shoulder straps were comfortable. Detachable top section came in handy on transit to and from the Camino. Fit easily in carry on compartment. All is well. Review by Victor W
Great ultralight pack!
I used this pack all last summer. Carried loads of up to 34#'s comfortably. The belt and suspension system are worlds apart from other so-call ultra-light packs that lack proper support with weights over 10-15#'s. This one is by far the best. Review by Gear Goddess
great pack
light comfortable and durable Review by man
Best ultralight backpack I've owned.
Light, comfortable, supportive, functional, roomy and versatile. Excellent hiking pack. Review by William K
Outstanding pack!
This is the most comfortable pack I have EVER worn! Its plenty large for week long walks and weighs almost nothing -- best pack I've ever purchased! Review by Michael R

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Questions & Answers

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Will a BearVault fit inside? If so, how easily?
Question by: Steve on Aug 3, 2014 12:31:08 PM
Is this backpack waterproof? If not, does it have a waterproof cover?
Question by: Fran on Jan 12, 2017 3:46:00 AM
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