Patagonia Arbor Linked Pack 25L vs. Ortlieb Commuter Daypack City

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

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

Feature by feature

Patagonia Arbor Linked Pack 25LFeatureOrtlieb Commuter Daypack City
Storage
N Compression N
None Expanded Capacity None
0 Opening 0
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt removable
N Sternum Strap removable
Inside
15in Laptop 15in
1 Main Compartments 1
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
600-denier 100% recycled polyester, 200-denier 100% recycled polyesterPS33

Ortlieb Commuter Daypack City

Front facing view of the Ortlieb Commuter Daypack City
Capacity21 L
Weight0.75 kg
Dimensions50×30×15.5 cm
Airline fit92%
Price$160

Key differences between the Patagonia Arbor Linked Pack 25L and Ortlieb Commuter Daypack City

Both have: backpack straps, laptop sleeve, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 173 accept both. 1 accept only the Patagonia Arbor Linked Pack 25L, and 0 accept only the Ortlieb Commuter Daypack City.

Only the Patagonia Arbor Linked Pack 25L fits

Great Lakes Airlines.

Patagonia Arbor Linked Pack 25L vs. Ortlieb Commuter Daypack City: which should you pack?

The Patagonia Arbor Linked Pack 25L carries 4L more than the Ortlieb Commuter Daypack City (25L vs. 21L), while the Patagonia Arbor Linked Pack 25L is the lighter pack at 0.45kg (vs. 0.75kg). For carry-on flexibility, the Patagonia Arbor Linked Pack 25L fits 92% 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 Patagonia Arbor Linked Pack 25L is the better call.