Cabin Zero Classic Plus 42L vs. CabinZero Classic 28L

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 42LFeatureCabinZero Classic 28L
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

CabinZero Classic 28L

Front facing view of the CabinZero Classic 28L
Capacity28 L
Weight0.6 kg
Dimensions39×30×20 cm
Airline fit98%
Price$93

Key differences between the Cabin Zero Classic Plus 42L and CabinZero Classic 28L

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. 165 accept both. 0 accept only the Cabin Zero Classic Plus 42L, and 21 accept only the CabinZero Classic 28L.

Only the CabinZero Classic 28L fits

Air Niugini, Air Tahiti, American Eagle, Belavia, Cayman Airways, easyJet, Etihad Airways, Gulf Air, LC Perú, Lion Air Group, Oman Air, Qatar Airways, Ravn Alaska, Regional Express, Royal Jordanian, Spring Airlines, Virgin Australia, VivaColombia, Volaris, WestJet, Wizz Air.

Cabin Zero Classic Plus 42L vs. CabinZero Classic 28L: which should you pack?

The Cabin Zero Classic Plus 42L carries 14L more than the CabinZero Classic 28L (42L vs. 28L), while the CabinZero Classic 28L is the lighter pack at 0.6kg (vs. 1.2kg). For carry-on flexibility, the CabinZero Classic 28L fits 98% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabin Zero Classic Plus 42L; if you want to travel lighter, the CabinZero Classic 28L is the better call.