Cotopaxi Allpa 50L Adventure Travel vs. Cotopaxi Allpa 35L

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

Cotopaxi Allpa 50L Adventure Travel

Front facing view of the Cotopaxi Allpa 50L Adventure Travel
Capacity50 L
Weight2 kg
Dimensions69×36×26 cm
Airline fit1%
Price$300

Feature by feature

Cotopaxi Allpa 50L Adventure TravelFeatureCotopaxi Allpa 35L
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
back Passport front
N Passthrough Y
Carry
hideable Backpack hideable
hideable Hip Belt hideable
Y Sternum Strap Y
Inside
16in Laptop 15in
5 Main Compartments 3
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
100% recycled 840D TPU-coated nylon100% recycled 840D TPU-coated nylon

Cotopaxi Allpa 35L

Front facing view of the Cotopaxi Allpa 35L
Capacity35 L
Weight1.3 kg
Dimensions56×30×25 cm
Airline fit26%
Price$225

Key differences between the Cotopaxi Allpa 50L Adventure Travel and Cotopaxi Allpa 35L

Both have: backpack straps, hip belt, sternum strap, water bottle pockets, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 1 accept both. 0 accept only the Cotopaxi Allpa 50L Adventure Travel, and 49 accept only the Cotopaxi Allpa 35L.

Only the Cotopaxi Allpa 35L fits

Adria Airways, Aegean Airlines, Air Astana, Air Europa, Air Koryo, Air New Zealand, Air Nostrum, Air Tahiti Nui, Atlas Global, Azul Linhas, British Airways, Caribbean Airlines, China Southern, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, EL AL, Finnair, Frontier Airlines, Hainan Airlines, Iran Aseman Air, Island Air, Jet2, Korean Air, Kuwait Air, Middle East Airlines, Monarch Airlines, Onur Air, PenAir, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Southwest Airlines, SpiceJet, Spirit Airlines, Sun Country, TAAG Angola, TAM Airlines, Thai Airways, Travel Service Airlines, Ural Airlines, Uzbekistan Air, Virgin America, WOW Airlines.

Cotopaxi Allpa 50L Adventure Travel vs. Cotopaxi Allpa 35L: which should you pack?

The Cotopaxi Allpa 50L Adventure Travel carries 15L more than the Cotopaxi Allpa 35L (50L vs. 35L), while the Cotopaxi Allpa 35L is the lighter pack at 1.3kg (vs. 2kg). For carry-on flexibility, the Cotopaxi Allpa 35L fits 26% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cotopaxi Allpa 50L Adventure Travel; if you want to travel lighter, the Cotopaxi Allpa 35L is the better call.