Cotopaxi Allpa Travel Pack 35L Del Día vs. REI Co-op Ruckpack 30

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

Cotopaxi Allpa Travel Pack 35L Del Día

Front facing view of the Cotopaxi Allpa Travel Pack 35L Del Día
Capacity35 L
Weight1.587 kg
Dimensions51×30×20 cm
Airline fit89%
Price$180

Feature by feature

Cotopaxi Allpa Travel Pack 35L Del DíaFeatureREI Co-op Ruckpack 30
Storage
N Compression N
None Expanded Capacity None
1 Opening 0
N Passport top, side
N Passthrough N
Carry
hideable Backpack hideable
removable Hip Belt removable
Y Sternum Strap Y
Inside
15in Laptop 15in
1 Main Compartments 5
N Organizer N
Outside
× Hard Shell ×
N Rain-fly Y
N Water Bottle Holder 2, side
Y Water Resistant Y
Material
100% repurposed nylonrecycled nylon shell

REI Co-op Ruckpack 30

Capacity30 L
Weight0.8 kg
Dimensions50×27×22 cm
Airline fit73%
Price$109

Key differences between the Cotopaxi Allpa Travel Pack 35L Del Día and REI Co-op Ruckpack 30

Both have: backpack straps, hip belt, sternum strap, laptop sleeve, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 135 accept both. 34 accept only the Cotopaxi Allpa Travel Pack 35L Del Día, and 3 accept only the REI Co-op Ruckpack 30.

Only the Cotopaxi Allpa Travel Pack 35L Del Día fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

Only the REI Co-op Ruckpack 30 fits

Etihad Airways, Great Lakes Airlines, Qatar Airways.

Cotopaxi Allpa Travel Pack 35L Del Día vs. REI Co-op Ruckpack 30: which should you pack?

The Cotopaxi Allpa Travel Pack 35L Del Día carries 5L more than the REI Co-op Ruckpack 30 (35L vs. 30L), while the REI Co-op Ruckpack 30 is the lighter pack at 0.8kg (vs. 1.587kg). For carry-on flexibility, the Cotopaxi Allpa Travel Pack 35L Del Día fits 89% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cotopaxi Allpa Travel Pack 35L Del Día; if you want to travel lighter, the REI Co-op Ruckpack 30 is the better call.