Osprey Exos 58 Review

The Osprey Exos 58 represents the perfect gateway into ultralight backpacking, weighing just 2.4 pounds while maintaining the comfort and features that make long-distance hiking enjoyable. This is the ideal choice for thru-hikers and weight-conscious backpackers seeking serious weight savings without compromising trail performance.

Ultralight Design Philosophy

At 2.4 pounds, the Exos 58 strikes the optimal balance between ultralight weight savings and functional features. While heavier than true ultralight packs, it offers proven comfort and durability that make it accessible to backpackers transitioning from traditional heavy packs.

AirSpeed Suspension System

The trampoline-style mesh backpanel creates maximum airflow separation between pack and back, keeping you dry and comfortable even with full loads. This 3D tensioned breathable mesh provides excellent ventilation while maintaining structural support for loads up to 35 pounds.

ExoForm Harness Technology

The dual mesh construction harness delivers seamless layered comfort at minimal weight. Combined with the lightweight 4mm aluminum perimeter frame, load transfer remains excellent while keeping overall pack weight to a minimum.

Capacity & Load Performance

With 58 liters of space, the pack accommodates full backpacking gear plus 5-6 days of food. Optimized for 30-35 pound loads with a 40-pound maximum, it performs exceptionally well within these parameters, making it perfect for extended thru-hikes.

Organization & Access

The large mesh front pocket offers exceptional stretch capacity, while dual side pockets accommodate large water bottles. Top-loading design with floating lid provides two zippered pockets, though access is limited compared to panel-loading alternatives.

Proven Trail Performance

Extensively tested on major thru-hiking trails including the Appalachian Trail and PCT, the Exos 58 has proven its durability and comfort over thousands of trail miles. The combination of weight savings and reliability makes it a favorite among serious long-distance hikers.

Pros & Cons

✅ Pros

  • Exceptional 2.4 lb ultralight weight
  • Superior AirSpeed ventilation system
  • Comfortable for 30-35 lb loads
  • Proven durability on major thru-hikes
  • 4 inches of torso adjustability
  • Large stretch mesh pockets
  • 100% recycled materials construction
  • Osprey lifetime warranty coverage

⚠️ Cons

  • Top-loading access only
  • Small hip belt pockets positioned too far back
  • Compression straps interfere with side pocket access
  • Not suitable for loads over 40 pounds

Specifications

FeatureDetails
Weight2.4 lbs (2 lbs 15 oz)
Capacity58L (3,540 cubic inches)
Load Rating30-35 lbs optimal, 40 lbs max
SuspensionAirSpeed trampoline mesh
HarnessExoForm dual mesh construction
Frame4mm aluminum perimeter with cross strut
SizesS/M (17-20.5"), L/XL (19.5-23")
Materials100% recycled nylon ripstop
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Final Verdict

The Osprey Exos 58 excels as the ultimate gateway ultralight backpack, offering serious weight savings without sacrificing the comfort and reliability needed for successful long-distance hiking. For thru-hikers and weight-conscious backpackers ready to embrace ultralight principles while maintaining trail-proven performance, the Exos 58 represents the perfect balance.

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