Cabin Zero Classic Plus 42L vs. Cabin Zero Classic Cabin Backpack 44L

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

Cabin Zero Classic Plus 42L

Front facing view of the Cabin Zero Classic Plus 42L
Capacity42 L
Weight1.2 kg
Dimensions54×35×20 cm
Airline fit87%
Price$122

Feature by feature

Cabin Zero Classic Plus 42LFeatureCabin Zero Classic Cabin Backpack 44L
Storage
4 Compression 4
None Expanded Capacity None
1 Opening 1
front Passport front
Y Passthrough N
Carry
hideable Backpack Y
N Hip Belt N
Y Sternum Strap N
Inside
15in Laptop 15in
2 Main Compartments 2
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
600 Denier Polyester600 denier polyester

Cabin Zero Classic Cabin Backpack 44L

Front facing view of the Cabin Zero Classic Cabin Backpack 44L
Capacity44 L
Weight0.8 kg
Dimensions51×37×20 cm
Airline fit61%
Price$110

Key differences between the Cabin Zero Classic Plus 42L and Cabin Zero Classic Cabin Backpack 44L

Both have: compression straps, passport pocket, 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. 113 accept both. 52 accept only the Cabin Zero Classic Plus 42L, and 3 accept only the Cabin Zero Classic Cabin Backpack 44L.

Only the Cabin Zero Classic Plus 42L fits

Aerolineas Argentinas, Air Asia, Air France, Air India, Air Macau, Air Mauritius, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, CommutAir, Copa Airlines, Delta Airlines, Dragonair, EVA Air, flybe, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, Indigo, InselAir, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Kulula, LATAM , Liat Airlines, Malaysia Airlines, Mango, Qantas Airways, Republic Airways, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Trans States, United Airlines, Vietnam Airlines, Virgin Atlantic.

Only the Cabin Zero Classic Cabin Backpack 44L fits

Oman Air, Royal Jordanian, WestJet.

Cabin Zero Classic Plus 42L vs. Cabin Zero Classic Cabin Backpack 44L: which should you pack?

The Cabin Zero Classic Cabin Backpack 44L carries 2L more than the Cabin Zero Classic Plus 42L (42L vs. 44L), while the Cabin Zero Classic Cabin Backpack 44L is the lighter pack at 0.8kg (vs. 1.2kg). For carry-on flexibility, the Cabin Zero Classic Plus 42L fits 87% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabin Zero Classic Cabin Backpack 44L; if you want to travel lighter, the Cabin Zero Classic Cabin Backpack 44L is the better call.