Kathmandu Solus Pack 20 vs. Patagonia Arbor Linked Pack 25L

Two carry-on travel backpacks, compared spec for spec.

Kathmandu Solus Pack 20

Front facing view of the Kathmandu Solus Pack 20
Capacity20 L
Weight0.42 kg
Dimensions47×28×19 cm
Airline fit93%
Price$60

Feature by feature

Kathmandu Solus Pack 20FeaturePatagonia Arbor Linked Pack 25L
Storage
N Compression N
None Expanded Capacity None
4 Opening 0
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap N
Inside
15in Laptop 15in
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
N Water Resistant Y
Material
100% Polyester600-denier 100% recycled polyester, 200-denier 100% recycled polyester

Patagonia Arbor Linked Pack 25L

Front facing view of the Patagonia Arbor Linked Pack 25L
Capacity25 L
Weight0.45 kg
Dimensions49×27×13 cm
Airline fit92%
Price$79

Key differences between the Kathmandu Solus Pack 20 and Patagonia Arbor Linked Pack 25L

Both have: backpack straps, laptop sleeve.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 174 accept both. 2 accept only the Kathmandu Solus Pack 20, and 0 accept only the Patagonia Arbor Linked Pack 25L.

Only the Kathmandu Solus Pack 20 fits

Regional Express, Virgin Australia.

Kathmandu Solus Pack 20 vs. Patagonia Arbor Linked Pack 25L: which should you pack?

The Patagonia Arbor Linked Pack 25L carries 5L more than the Kathmandu Solus Pack 20 (20L vs. 25L), while the Kathmandu Solus Pack 20 is the lighter pack at 0.42kg (vs. 0.45kg). For carry-on flexibility, the Kathmandu Solus Pack 20 fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Arbor Linked Pack 25L; if you want to travel lighter, the Kathmandu Solus Pack 20 is the better call.