Cotopaxi Allpa Travel Pack 42L Del Día vs. Deuter Aviant Carry On Pro 36

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

Cotopaxi Allpa Travel Pack 42L Del Día

Front facing view of the Cotopaxi Allpa Travel Pack 42L Del Día
Capacity42 L
Weight1.905 kg
Dimensions55×34×22.5 cm
Airline fit68%
Price$200

Feature by feature

Cotopaxi Allpa Travel Pack 42L Del DíaFeatureDeuter Aviant Carry On Pro 36
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
Y Passport N
Passthrough Y
Carry
hideable Backpack hideable
removable Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 15in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
Y Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
100% repurposed nylon600D PES, 420D PA

Deuter Aviant Carry On Pro 36

Front facing view of the Deuter Aviant Carry On Pro 36
Capacity36 L
Weight1.36 kg
Dimensions55×34×23 cm
Airline fit68%

Key differences between the Cotopaxi Allpa Travel Pack 42L Del Día and Deuter Aviant Carry On Pro 36

Both have: backpack straps, sternum strap, laptop sleeve, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 129 accept both. Every airline that takes one takes the other.

Cotopaxi Allpa Travel Pack 42L Del Día vs. Deuter Aviant Carry On Pro 36: which should you pack?

The Cotopaxi Allpa Travel Pack 42L Del Día carries 6L more than the Deuter Aviant Carry On Pro 36 (42L vs. 36L), while the Deuter Aviant Carry On Pro 36 is the lighter pack at 1.36kg (vs. 1.905kg). For carry-on flexibility, the Cotopaxi Allpa Travel Pack 42L Del Día fits 68% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cotopaxi Allpa Travel Pack 42L Del Día; if you want to travel lighter, the Deuter Aviant Carry On Pro 36 is the better call.