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Osprey Exos 58L vs Durston Gear Kakwa 55L

Lighter Load, Heavier Duty

6 min read
Specs last verified 2026-04-08. Prices and availability may change.

When comparing the Osprey Exos 58L and Durston Gear Kakwa 55L, Durston Gear Kakwa 55L emerges as the clear winner due to its superior weight and load capacity. However, the Osprey Exos offers a slightly larger capacity which might be crucial for certain users.

The Numbers

Side-by-Side

SpecExos 58LKakwa 55LDelta
Capacity
Hipbelt Pockets
Max Load44 lbs
Weight2 lb 7 oz

Where Osprey Exos 58L Wins

The Osprey Exos 58L boasts a moderate advantage in terms of backpack capacity with an extra 3 liters compared to the Durston Gear Kakwa. This additional space can be crucial for those who need to carry more gear on longer trips, such as extended camping or multi-day hikes.

The Osprey Exos also matches the Durston Gear Kakwa in hipbelt pockets, providing two pockets each. While this feature is a tie, it ensures that both models offer convenient storage options for quick access items.

Where Durston Gear Kakwa 55L Wins

Durston Gear Kakwa 55L stands out with its decisive advantage in weight and load capacity. Weighing nearly half as much as the Osprey Exos (7 oz lighter), it significantly reduces fatigue over multi-day trips, making it ideal for endurance hikers or those carrying heavy loads.

The Durston Gear Kakwa also has a clear edge in maximum load capacity, supporting up to 44 lbs compared to the Osprey’s 35 lbs. This makes it an excellent choice for users who need to carry heavier gear without compromising on comfort and stability.

When to Buy Which

Osprey Exos 58l: 1 win | Durston Gear Kakwa 55l: 2 wins | 1 tie

Buy Exos 58l if...

  • You prioritize capacity

Buy Kakwa 55l if...

  • You prioritize max load
  • You prioritize weight

The Verdict

If you prioritize weight savings and can handle a slightly smaller pack size, Durston Gear Kakwa 55L is the better option. However, if you require more capacity and are willing to trade off some weight for it, the Osprey Exos 58L remains a strong choice.

Exos 58L

Exos 58L

$285

View Specs & Prices
Kakwa 55L

Kakwa 55L

$199

View Specs & Prices

FAQ

Which backpack is lighter?

The Durston Gear Kakwa 55L is significantly lighter at 30.2 oz compared to the Osprey Exos 58L’s 45.4 oz.

What about load capacity?

Durston Gear Kakwa 55L can handle up to 44 lbs, while the Osprey Exos 58L supports a maximum of 35 lbs.

Is there much difference in hipbelt pockets?

Both backpacks have two hipbelt pockets each, so there’s no significant difference here.

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