Patagonia Women's Black Hole® Pack 23L vs. Cotopaxi Cusco Backpack 26L

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

Patagonia Women's Black Hole® Pack 23L

Front facing view of the Patagonia Women's Black Hole® Pack 23L
Capacity23 L
Weight0.58 kg
Dimensions50.8×27.94×16.4 cm
Airline fit90%
Price$129

Feature by feature

Patagonia Women's Black Hole® Pack 23LFeatureCotopaxi Cusco Backpack 26L
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
N Passport N
N Passthrough N
Carry
N Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 15in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2 Water Bottle Holder 2
Y Water Resistant Y
Material
300-denier 100% postconsumer recycled polyester ripstop, 200-denier 100% recycled polyester 100% 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 Patagonia Women's Black Hole® Pack 23L and Cotopaxi Cusco Backpack 26L

Both have: sternum strap, laptop sleeve, built-in organizer, 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. 132 accept both. 38 accept only the Patagonia Women's Black Hole® Pack 23L, and 0 accept only the Cotopaxi Cusco Backpack 26L.

Only the Patagonia Women's Black Hole® Pack 23L 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, Great Lakes Airlines, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Pakistan International, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

Patagonia Women's Black Hole® Pack 23L vs. Cotopaxi Cusco Backpack 26L: which should you pack?

The Cotopaxi Cusco Backpack 26L carries 3L more than the Patagonia Women's Black Hole® Pack 23L (23L vs. 26L), while the Patagonia Women's Black Hole® Pack 23L is the lighter pack at 0.58kg (vs. 0.7kg). For carry-on flexibility, the Patagonia Women's Black Hole® Pack 23L fits 90% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cotopaxi Cusco Backpack 26L; if you want to travel lighter, the Patagonia Women's Black Hole® Pack 23L is the better call.