Cabin Zero ADV 42L vs. Gregory Border 40

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

Cabin Zero ADV 42L

Front facing view of the Cabin Zero ADV 42L
Capacity42 L
Weight1.4 kg
Dimensions55×35×20 cm
Airline fit86%
Price$134

Feature by feature

Cabin Zero ADV 42LFeatureGregory Border 40
Storage
4 Compression N
None Expanded Capacity None
1 Opening 1
top Passport top
Y Passthrough N
Carry
hideable Backpack hideable
hideable Hip Belt hideable
Y Sternum Strap Y
Inside
15in Laptop 15in
2 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
Nylon 500 Denier Rip-Stop High density Polyethylene frame sheetPVC-Free Coated 210D High Density 66 Nylon PFAS free

Gregory Border 40

Front facing view of the Gregory Border 40
Capacity40 L
Weight1.3 kg
Dimensions56×36×23 cm
Airline fit45%
Price$200

Key differences between the Cabin Zero ADV 42L and Gregory Border 40

Both have: passport pocket, backpack straps, hip belt, sternum strap, laptop sleeve, 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. 85 accept both. 77 accept only the Cabin Zero ADV 42L, and 0 accept only the Gregory Border 40.

Only the Cabin Zero ADV 42L fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, All Nipon Airways, ANA, Asiana Airlines, ATA Airlines, Austrian, Azerbaijan Airlines, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, Caribbean Airlines, China Eastern, Croatia Air, Czech Airlines, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, Fiji Airways, Flair Air, flybe, Gol Linhas Aereas, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, Juneyao Airlines, Kenya Airways, KLM, LATAM , LOT Polish, Lufthansa, Luxair, Mahan Air, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Pakistan International, Peach, Porter Airlines, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Turkish Airlines, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

Cabin Zero ADV 42L vs. Gregory Border 40: which should you pack?

The Cabin Zero ADV 42L carries 2L more than the Gregory Border 40 (42L vs. 40L), while the Gregory Border 40 is the lighter pack at 1.3kg (vs. 1.4kg). For carry-on flexibility, the Cabin Zero ADV 42L fits 86% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabin Zero ADV 42L; if you want to travel lighter, the Gregory Border 40 is the better call.