STM Saga vs. Cabin Zero Urban 42L

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

STM Saga

by Stm
Front facing view of the STM Saga
Capacity20 L
Weight0.51 kg
Dimensions44×29×15 cm
Airline fit95%
Price$60

Feature by feature

STM SagaFeatureCabin Zero Urban 42L
Storage
N Compression N
None Expanded Capacity None
3 Opening 1
N Passport N
N Passthrough N
Carry
Y Backpack hideable
N Hip Belt N
N Sternum Strap N
Inside
N Laptop N
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2 Water Bottle Holder N
Y Water Resistant Y
Material
100% polyesterHeavy Duty highly water resistant tarpaulin

Cabin Zero Urban 42L

Front facing view of the Cabin Zero Urban 42L
Capacity42 L
Weight1.4 kg
Dimensions51×36×15 cm
Airline fit82%
Price$155

Key differences between the STM Saga and Cabin Zero Urban 42L

Both have: 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. 155 accept both. 25 accept only the STM Saga, and 0 accept only the Cabin Zero Urban 42L.

Only the STM Saga fits

Aerolineas Argentinas, Air France, Air India, Air Mauritius, Air Niugini, Air Tahiti, American Eagle, Belavia, Boliviana de Aviacion, Cayman Airways, easyJet, Etihad Airways, flybe, Gulf Air, Indigo, InselAir, Jet Airways, Kenya Airways, KLM, LATAM , Qatar Airways, Ravn Alaska, Regional Express, Sky Airlines, Virgin Australia.

STM Saga vs. Cabin Zero Urban 42L: which should you pack?

The Cabin Zero Urban 42L carries 22L more than the STM Saga (20L vs. 42L), while the STM Saga is the lighter pack at 0.51kg (vs. 1.4kg). For carry-on flexibility, the STM Saga fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabin Zero Urban 42L; if you want to travel lighter, the STM Saga is the better call.