Peak Design Everyday Backpack Zip vs. Cotopaxi Cusco Backpack 26L

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

Peak Design Everyday Backpack Zip

Front facing view of the Peak Design Everyday Backpack Zip
Capacity20 L
Weight1.55 kg
Dimensions47×29×16 cm
Airline fit93%
Price$220

Feature by feature

Peak Design Everyday Backpack ZipFeatureCotopaxi Cusco Backpack 26L
Storage
N Compression N
20L Expanded Capacity None
1 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
removable 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
400D double poly-coated DWR-impregnated nylon canvas shell100% 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 Peak Design Everyday Backpack Zip and Cotopaxi Cusco Backpack 26L

Both have: backpack straps, 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. 43 accept only the Peak Design Everyday Backpack Zip, and 0 accept only the Cotopaxi Cusco Backpack 26L.

Only the Peak Design Everyday Backpack Zip fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, Etihad Airways, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Pakistan International, Qatar Airways, Regional Express, 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), Virgin Australia, Volotea, Xiamen.

Peak Design Everyday Backpack Zip vs. Cotopaxi Cusco Backpack 26L: which should you pack?

The Cotopaxi Cusco Backpack 26L carries 6L more than the Peak Design Everyday Backpack Zip (20L vs. 26L), while the Cotopaxi Cusco Backpack 26L is the lighter pack at 0.7kg (vs. 1.55kg). For carry-on flexibility, the Peak Design Everyday Backpack Zip fits 93% 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 Cotopaxi Cusco Backpack 26L is the better call.