Gregory Border 40 vs. Cabin Zero Classic Pro 42L

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

Gregory Border 40

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

Feature by feature

Gregory Border 40FeatureCabin Zero Classic Pro 42L
Storage
N Compression 4
None Expanded Capacity None
1 Opening 1
top Passport N
N Passthrough Y
Carry
hideable Backpack hideable
hideable Hip Belt hideable
Y Sternum Strap Y
Inside
15in Laptop 15in
3 Main Compartments 2
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
PVC-Free Coated 210D High Density 66 Nylon PFAS free600 Denier Polyester

Cabin Zero Classic Pro 42L

Front facing view of the Cabin Zero Classic Pro 42L
Capacity42 L
Weight1.4 kg
Dimensions54×35×20 cm
Airline fit87%
Price$184

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

Both have: 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. 0 accept only the Gregory Border 40, and 80 accept only the Cabin Zero Classic Pro 42L.

Only the Cabin Zero Classic Pro 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 , Liat Airlines, 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, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Turkish Airlines, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

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

The Cabin Zero Classic Pro 42L carries 2L more than the Gregory Border 40 (40L vs. 42L), while the Gregory Border 40 is the lighter pack at 1.3kg (vs. 1.4kg). For carry-on flexibility, the Cabin Zero Classic Pro 42L fits 87% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabin Zero Classic Pro 42L; if you want to travel lighter, the Gregory Border 40 is the better call.