Cabin Zero Classic Cabin Backpack 36L vs. Cabin Zero Gap Year 28L

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

Cabin Zero Classic Cabin Backpack 36L

Front facing view of the Cabin Zero Classic Cabin Backpack 36L
Capacity36 L
Weight0.7 kg
Dimensions45×31×20 cm
Airline fit95%
Price$100

Feature by feature

Cabin Zero Classic Cabin Backpack 36LFeatureCabin Zero Gap Year 28L
Storage
4 Compression 2
None Expanded Capacity None
1 Opening 1
front Passport front
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap N
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
600 Denier Polyester600D polyester

Cabin Zero Gap Year 28L

Front facing view of the Cabin Zero Gap Year 28L
Capacity28 L
Weight0.7 kg
Dimensions39×30×20 cm
Airline fit98%
Price$110

Key differences between the Cabin Zero Classic Cabin Backpack 36L and Cabin Zero Gap Year 28L

Both have: passport pocket, backpack straps, 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. 179 accept both. 0 accept only the Cabin Zero Classic Cabin Backpack 36L, and 7 accept only the Cabin Zero Gap Year 28L.

Only the Cabin Zero Gap Year 28L fits

Air Niugini, LC Perú, Lion Air Group, Spring Airlines, VivaColombia, Volaris, Wizz Air.

Cabin Zero Classic Cabin Backpack 36L vs. Cabin Zero Gap Year 28L: which should you pack?

The Cabin Zero Classic Cabin Backpack 36L carries 8L more than the Cabin Zero Gap Year 28L (36L vs. 28L), while the Cabin Zero Classic Cabin Backpack 36L is the lighter pack at 0.7kg (vs. 0.7kg). For carry-on flexibility, the Cabin Zero Gap Year 28L fits 98% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabin Zero Classic Cabin Backpack 36L; if you want to travel lighter, the Cabin Zero Classic Cabin Backpack 36L is the better call.