Arc'teryx Mantis 26 Backpack vs. Cotopaxi Cusco Backpack 26L

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

Arc'teryx Mantis 26 Backpack

Front facing view of the Arc'teryx Mantis 26 Backpack
Capacity26 L
Weight1.84 kg
Dimensions48×28×25 cm
Airline fit40%

Feature by feature

Arc'teryx Mantis 26 BackpackFeatureCotopaxi 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
N Sternum Strap Y
Inside
Laptop 15in
1 Main Compartments 1
Organizer Y
Outside
× Hard Shell ×
Rain-fly N
Water Bottle Holder 2
Y Water Resistant Y
Material
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 Arc'teryx Mantis 26 Backpack and Cotopaxi Cusco Backpack 26L

Both have: backpack straps, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 73 accept both. 3 accept only the Arc'teryx Mantis 26 Backpack, and 59 accept only the Cotopaxi Cusco Backpack 26L.

Only the Arc'teryx Mantis 26 Backpack fits

Etihad Airways, Great Lakes Airlines, Qatar Airways.

Only the Cotopaxi Cusco Backpack 26L fits

Aer Lingus, 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.

Arc'teryx Mantis 26 Backpack vs. Cotopaxi Cusco Backpack 26L: which should you pack?

The Arc'teryx Mantis 26 Backpack carries the same capacity as the Cotopaxi Cusco Backpack 26L (26L vs. 26L), while the Cotopaxi Cusco Backpack 26L is the lighter pack at 0.7kg (vs. 1.84kg). 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 Arc'teryx Mantis 26 Backpack; if you want to travel lighter, the Cotopaxi Cusco Backpack 26L is the better call.