Kathmandu Parker Pack vs. Cotopaxi Cusco Backpack 26L

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

Kathmandu Parker Pack

Front facing view of the Kathmandu Parker Pack
Capacity28 L
Weight0.89 kg
Dimensions50×29×24 cm
Airline fit41%
Price$90

Feature by feature

Kathmandu Parker PackFeatureCotopaxi Cusco Backpack 26L
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
17in Laptop 15in
2 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
optional Rain-fly N
N Water Bottle Holder 2
N Water Resistant Y
Material
100% Recycled Polyester100% repurposed 600D polyester

Cotopaxi Cusco Backpack 26L

Front facing view of the Cotopaxi Cusco Backpack 26L
Capacity26 L
Weight0.7 kg
Dimensions53×33×23 cm
Airline fit70%
Price$110

Key differences between the Kathmandu Parker Pack and Cotopaxi Cusco Backpack 26L

Both have: backpack straps, sternum strap, built-in organizer.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 74 accept both. 3 accept only the Kathmandu Parker Pack, and 58 accept only the Cotopaxi Cusco Backpack 26L.

Only the Kathmandu Parker Pack fits

Etihad Airways, Oman Air, Qatar Airways.

Only the Cotopaxi Cusco Backpack 26L fits

Air Asia, Air Canada, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Delta Airlines, Dragonair, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Norwegian, Porter Airlines, Qantas Airways, Republic Airways, SAS Scandinavian, Scoot, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Tiger Airways, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic, WestJet.

Kathmandu Parker Pack vs. Cotopaxi Cusco Backpack 26L: which should you pack?

The Kathmandu Parker Pack carries 2L more than the Cotopaxi Cusco Backpack 26L (28L vs. 26L), while the Cotopaxi Cusco Backpack 26L is the lighter pack at 0.7kg (vs. 0.89kg). For carry-on flexibility, the Cotopaxi Cusco Backpack 26L fits 70% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Kathmandu Parker Pack; if you want to travel lighter, the Cotopaxi Cusco Backpack 26L is the better call.