Cabin Zero Classic Pro 42L vs. A 35L Travel Backpack

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

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

Feature by feature

Cabin Zero Classic Pro 42LFeatureA 35L Travel Backpack
Storage
4 Compression N
None Expanded Capacity None
1 Opening 1
N Passport Y
Y Passthrough Y
Carry
hideable Backpack hideable
hideable Hip Belt hideable
Y Sternum Strap hideable
Inside
15in Laptop 17in
2 Main Compartments 2
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 2
Y Water Resistant Y
Material
600 Denier Polyester1680 denier high tenacity ballistic nylon

A 35L Travel Backpack

Front facing view of the A 35L Travel Backpack
Capacity35 L
Weight1.7 kg
Dimensions55×35×20 cm
Airline fit86%
Price$189

Key differences between the Cabin Zero Classic Pro 42L and A 35L Travel Backpack

Both have: luggage passthrough, backpack straps, hip belt, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 162 accept both. 3 accept only the Cabin Zero Classic Pro 42L, and 0 accept only the A 35L Travel Backpack.

Only the Cabin Zero Classic Pro 42L fits

Liat Airlines, Scoot, Tiger Airways.

Cabin Zero Classic Pro 42L vs. A 35L Travel Backpack: which should you pack?

The Cabin Zero Classic Pro 42L carries 7L more than the A 35L Travel Backpack (42L vs. 35L), while the Cabin Zero Classic Pro 42L is the lighter pack at 1.4kg (vs. 1.7kg). 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 Cabin Zero Classic Pro 42L is the better call.