Cotopaxi Allpa 50L Adventure Travel vs. Cotopaxi Allpa Travel Pack 42L

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 Travel Pack 42L
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 Travel Pack 42L

Front facing view of the Cotopaxi Allpa Travel Pack 42L
Capacity42 L
Weight1.4 kg
Dimensions56×36×27 cm
Airline fit2%
Price$250

Key differences between the Cotopaxi Allpa 50L Adventure Travel and Cotopaxi Allpa Travel Pack 42L

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 3 accept only the Cotopaxi Allpa Travel Pack 42L.

Only the Cotopaxi Allpa Travel Pack 42L fits

Island Air, Sun Country, Virgin America.

Cotopaxi Allpa 50L Adventure Travel vs. Cotopaxi Allpa Travel Pack 42L: which should you pack?

The Cotopaxi Allpa 50L Adventure Travel carries 8L more than the Cotopaxi Allpa Travel Pack 42L (50L vs. 42L), while the Cotopaxi Allpa Travel Pack 42L is the lighter pack at 1.4kg (vs. 2kg). For carry-on flexibility, the Cotopaxi Allpa Travel Pack 42L fits 2% 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 Travel Pack 42L is the better call.